This collection includes correspondence, accounts and related miscellany. The persons involved include Col. Humphrey Waldo Sibthorp; Richard Waldo Sibthorp; Henry Sibthorp; Henry’s uncle, M. E. Sewell; Henry’s unnamed brother; Gervaise Tottenham Waldo Sibthorp; Charles Waldo Sibthorp; and Mrs. Juliet Hawkins, addressed as “sister” by Richard Waldo Sibthorp. Also found here are documents, including Humphrey Sibthorp’s commission (1794) as colonel in the army, signed by King George III of England, and Gervaise Tottenham Waldo Sibthorp’s commission as captain in the Royal North Lincoln Militia (1847). These items are nonbotanical, and there is nothing of famous botanists Humphrey or John Sibthorp.