Thomas Green Clemson demonstrated versatility in his varied activities as a mining engineer, government official, plantation owner, scientist, proponent of higher education, artist and art collector, and supporter of scientific farming. Born in Philadelphia, Pennsylvania, Clemson adopted South Carolina as his home after marrying Anna Maria Calhoun, the oldest daughter of the South Carolina statesman John C. Calhoun. Little is known of Clemson’s early life other than that his father was a well-to-do merchant in Philadelphia. Clemson attended public schools in Philadelphia and the American Literary, Scientific and Military Academy in Norwich, Vermont.

The papers of Thomas G. Clemson were kept after his death by his attorney, Richard W. Simpson. Following Simpson’s death, his daughter, Maria Louise, took possession of the Clemson papers. In 1915 or 1916 Miss Simpson turned the papers over to her brother-in-law, Professor Alester G. Holmes, who recognized their historical importance and the need to have them properly cared for. In 1947, Maria Louise Simpson formally donated the papers to Clemson University. Information regarding the provenance of the Clemson Papers can be found in Box 7, Folder 5 of this collection and in the Alester G. Holmes Collection, Mss 1, Box 1, Folder 3, 1930- 1935. In 2000 photocopies of Clemson family correspondence to Elias Baker, Clemson’s uncle, were obtained from the Blair County (PA) Historical Society in exchange for copies of the Baker correspondence in the collection. The collection also includes accessions 93-25, 03-97, 06-40 and 06-45.

Clemson Papers are closely related to the John C. Calhoun Papers (Mss 200), the Richard K. Cralle Papers (Mss 109), the Holmes Collection and the Richard W. Simpson Papers (Mss 96). There are no restrictions on the use of this collection beyond those of Special Collections.

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Submissions from 1872

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Letter from H. Gourdin to Thomas G. Clemson, 1872, July 23

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Letter from H. Gourdin to Thomas G. Clemson, 1872, March 15

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Letter from H. Gourdin to Thomas G. Clemson, 1872, March 8

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Letter from Lewis to Thomas G. Clemson, December 1872

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Letter from Thomas G. Clemson to Andrew Lewis, 1872, December 8

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Letter from Thomas G. Clemson to Andrew Lewis, 1872, November 22

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Letter from Thomas G. Clemson to Joseph Mays, 1872, September 6

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Letter from unknown sender, 1872, February 16

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Letter from unknown sender to Thomas G. Clemson, 1872, May 15

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Memorandum signed by Thomas G. Clemson and Henry Adams, 1872, September 22

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Receipt of Dr. Clemson, 1872 February 1

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Receipt of Thomas G. Clemson, 1872, May 1

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Receipt of Thomas G. Clemson, 1872 May 23

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Report of reference, Calhoun, 1872

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Thomas G. Clemson, receipt of payment, 1872, August 9

Submissions from 1873

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Estate of Flouride Calhoun in mortgage bond, 1873, July 28

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Letter From Henry Trescot to Thomas G. Clemson, 1873, October 19

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Letter from H. Gourdin to Thomas G. Clemson, 1873, August 23

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Letter from Mrs. Clemson and Mr. and Mrs. Calhoun, 1873, May 3

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List of securities in the hands of H. Gourdin, 1873, September 8

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Typed letter from Henry Trescot to Thomas G. Clemson, 1873, October 19

Submissions from 1874

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Articles of agreement between Thomas G. Clemson and freedmen and women, 1874 January 1

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Articles of agreement between Thomas G. Clemson and Robert Butler, 1874 October

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Articles of agreement between Thomas G. Clemson and William Johnson, 1874 December

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Flowers sent by Emily Wood, 1874 October

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Letter from Andrew Lewis to Thomas G. Clemson, 1874 December 2

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Letter from Earle Jenis to Thomas G. Clemson, 1874 March 27

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Letter from G. Lee, 1874, July 9

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Letter from Henry Adams to Thomas G. Clemson, 1874 November 8

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Letter from H. Gourdin to Thomas G. Clemson, 1874, July 4

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Letter from H. Gourdin to Thomas G. Clemson, 1874 March 17

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Letter from H. Gourdin to Thomas G. Clemson, 1874 October 8

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Letter from J. J. Lucas to Mr. Rion, 1874 August 20

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Letter from Joseph Henry to Thomas G. Clemson, 1874 September 10

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Letter from Julie Everaert to Mrs. Clemson, 1874 January 18

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Letter from Mrs. Wigfall to Thomas G. Clemson, 1874, April 21

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Letter from Thomas G. Clemson to E. Jackson, 1875 August 23

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Letter from Thomas G. Clemson to Mr. Bert, 1874 January 31

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Letter from unknown sender to Thomas G. Clemson, 1874, March 31

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Question submitted by Ladies Calhoun Monument Association, signed by Benjamin Durkin and Henry L., 1874 March 10

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Transcript of articles of agreement between Thomas G. Clemson and freedmen and women, 1874 January 1

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Transcript of articles of agreement between Thomas G. Clemson and Robert Butler, 1874 October

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Transcript of articles of agreement between Thomas G. Clemson and William Johnson, 1874 December

Submissions from 1875

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Invitation to Mrs. Thomas G. Clemson's funeral service, 1875 September 24

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Letter from Andrew Lewis to Thomas G. Clemson, 1875 January 1

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Letter from Continental Life Insurance Company to Thomas G. Clemson , 1875 May 11

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Letter from Hamilton to unknown receiver, September 27 1875

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Letter from H. Gourdin to Thomas G. Clemson, 1875 February 13

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Letter from H. Gourdin to Thomas G. Clemson, 1875 September 24

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Letter from John Parker to Thomas G. Clemson, 1875 September 18

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Letter from John Way to Thomas G. Clemson, 1875 December 28

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Letter from Mr. Perry to Thomas G. Clemson, 1875 September 26

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Letter from Mr. Rion on account of Mrs. Clemson's death, 1875 September 18

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Letter from Thomas G. Clemson to Andrew Lewis, 1875 January 4

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List of Securities of Thomas G. Clemson, 1875 April 20

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Repairs to the Clemson mill, signed by Thomas G. Clemson and H. Brady, 1875

Submissions from 1876

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Letter from H. Gourdin to Thomas G. Clemson, 1876 July 7

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Letter from R. Hartin to James H. Rion, 1876 September 29

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Letter from R. Hartin to Thomas G. Clemson, 1876 October 17

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Letter from R. Hartin to Thomas G. Clemson, 1876 October 18

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Letter from R. Hunter to James Rion, 1876

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Letter from Rion's Law Office to Thomas G. Clemson, 1876 March 29

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Letter from Rion's Law Office to Thomas G. Clemson, 1876 September 20

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Letter from Rion to Thomas G. Clemson, 1876 September 26

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Letter from Thomas G. Clemson to W. Chauncey Stevens, 1876 July 24

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Letter from unknown sender to James H. Rion, 1876 June 6

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Letter from unknown sender to Thomas G. Clemson, 1876 September 23

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Letter from Unknown sender to unnamed recipient, 1876 November 10

Submissions from 1877

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Letter from H. Gourdin to Thomas G. Clemson, 1877 April 5

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Letter from H. Gourdin to Thomas G. Clemson, 1877 January 6

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Letter from Mr. Braum to Thomas G. Clemson, 1877 February 14

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Letter from Rion's Law Office to Thomas G. Clemson, 1877 January 6

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Letter from Thomas G. Clemson to unnamed recipient, 1877 February 19

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Letter from W. W. Corcuran to Thomas G. Clemson, 1877 September 22

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Receipt from South Carolina Railroad Company to Thomas G. Clemson, 1877 May 19

Submissions from 1878

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Letter from A. Hyde to Thomas G. Clemson, August 8 1878

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Letter from Jackson to Thomas G. Clemson, 1878 October 15

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Letter from N. B. Wolfe to Thomas G. Clemson, 1878 February 20

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Letter from Rion's Law Office to Thomas G. Clemson, 1878 August 14

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Letter from Rion's Law Office to Thomas G. Clemson, 1878 October 8

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Letter from Rutherford B. Hayes to Thomas G. Clemson, 1878

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Letter from Thomas G. Clemson to Dr. Doyle, 1878 February 30

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Letter from Thomas G. Clemson to Gideon Lee, 1878 July 24

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Letter from Thomas G. Clemson to unknown recipient, 1878

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Letter from Thomas G. Clemson to unknown recipient, 1878 December 14

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Letter from W. Corcoran to Thomas G. Clemson, 1878 October 29

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Letter from W. W. Corcuran to Thomas G. Clemson, 1878 January 10

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Letter from W. W. Corcuran to Thomas G. Clemson, 1878 March 19

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Letter fro Rion's Law of Office to Thomas G. Clemson, 1878 June 8

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Letter to Thomas G. Clemson, 1878 October 19

Submissions from 1879

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Agreement between the heirs of the John C. Calhoun estate, 1878

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Agreement between Thomas G. Clemson and Isaac Benson on account of land, 1879 February 13

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Clipping from the News and Herald on the Calhoun Monument, 1879 December 2

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Letter from Arthur Brice to Thomas G. Clemson, 1879 July 18

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Letter from Baker informing of a brother's death, 1879 March 7

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Letter from Fish and Fisheries commissioner, T. B. Ferguson to Thomas G. Clemson, 1879 January 3

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Letter from Rion's Law Office to Thomas G. Clemson, 1879 June 2

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Letter from R. M. Hunter to Thomas G. Clemson, 1879 November 28

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Letter from R.W. Hunter to Thomas G. Clemson, 1879 December 19

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Letter from Thomas Delahunty to Rev. D. Clemson, 1879