Correspondence
1 & 2. Two address books, n.d.
3. Correspondence with scientific societies, 1853-1887 (15 letters)
4. Correspondence with Harvard College, 1842-1873; letters and copies of letters pertaining to initial and subsequent appointments and salary; letters pertaining to leave, 1850; copy of letter pertaining to Farlow's appointment, 1880.
5. Correspondence with University of Michigan: 2 letters, 1838 and 1842
6. Wilkes Expedition: agreements signed by Gray and Wilkes; notes on proposed format of Botany of the expedition
7. Letters to George Bentham, 1840-1883, typescript copies
8. Letters to William Marriott Canby, 1867-1887, typescript copies
9. Letters to Alphonse de Candolle, 1840-1887, ts copies
10. Letters to Richard William Church, 1853-1887, ts copies
11. Letters to James Dwight Dana, 1856-1886, ts copies
12. Letters to Charles Robert Darwin, 1809-1882, ts copies
13. Letters to Daniel Cady Eaton, 1858-1887, ts copies
14. Letters to George Engelmann, 1840-1857, ts and ms copies
15. Letters to George Engelmann, 1855-1868, ts and ms copies
16. Letters to George Engelmann, 1869-1883, ts copies
17. Letters to Sir Edward Fry, 1882-1887, ts copies
18. Letters to Gray family, 1834-188-, ts and ms copies; letters are to Asa Gray's father, father, Elsada (sister), Alice (niece), and Jane Gray
19. Letters to Benjamin Daniel Greene, 1841, ts copies
20. 1 letter from Gray to Joseph Henry, 1838; 3 letters from John Torrey to Joseph Henry, 1835. Ts copies.
21. Letters to Sir Joseph Dalton Hooker, 1844-1887, ms and ts copies
22. Letters to Sir William Jackson Hooker, 1835-1850, ms copies
23. Letters to Sir William Jackson Hooker, 1851-1855, ms copies
24. Letters to Sir William Jackson Hooker, 1856-1865, ms and ts copies
25. Letters to Gen. Joseph Howland, 1869, ts copies
26. Letters to Susan Mary Loring Jackson, 1868 and 1885, ts and ms copies
27. Letters to Mr. and Mrs. Thomas Potts James, 1863-1883, ts copies
28. Letters to John Howard Redfield, 1846-1887, ts copies
29. Letters to Joseph Trimble Rothrock, 1878-1879(?), ts copies
30. Letters to George Thurber, 1854-1876, ts copies
31. Letters to Dr. & Mrs. John Torrey, 1831-1844, ts copies
32. Letters to Dr. & Mrs. John Torrey, 1845-1849, ts and ms copies
33. Letters to Dr. & Mrs. John Torrey, 1850-1872, ts copies
34. Letters to Dr. John F. Trowbridge, 1837-1838, ts copies
35. Letters to Charles Wright, 1848-1885, ts copies
36. Letters to George Frederick Wright, 1875- 1880(?), ts copies
37. Letters to unidentified people, 1873 and n.d., ts and ms copies
Note: The originals of some letters from Gray (not the same as the above) may be found in the Historic Letters file. Letters to Gray which were found in the green boxes have been filed in the Historic Letters file.