Correspondence, general Series 1 1900-1918
Correspondence – A 1900-1915
Correspondence – B-Ba 1905-1917
Correspondence – Banks, Nathan 1906-1916
Correspondencce- Beardsley, Robert L 1913-1917
Correspondence – Belding – Boyer 1903- 1915
Correspondence – Brehme, H.H. 1903-1907
Correspondence – Bradley-Butter 1902-1906
Correspondence – Calvert-Cook 1903-1918
Correspondence –D 1905- 1917
Correspondence – E 1903 –1917
Correspondence – Entomological News 1902–1916
Correspondence – Entomological societies 1900- 1918
Correspondence, F 1903-1917
Correspondence, G 1903-1917
Correspondence, H 1903-1918
Correspondence, L 1900-1917
Correspondence, M 1902-1918
Correspondence, N 1906-1917
Correspondence, P 1903-1917
Correspondence, Quayle, H.J. 1907
Correspondence, Raub-Rivers 1903-1917
Correspondence, Ruthling, Paul D. 1916-1918
Correspondence, S 1903-1918
Correspondence, Southern California Academy of Sciences 1914-1917
Correspondence, T 1904-1917
Correspondence, U to V 1905-1917
Correspondence, W 1902-1918
Correspondence, family Subseries 1 1893-1906
High school and university papers Series 2 1902-1918
Invitations 1901, undated
Envelopes 1909-1918
Lorquin Natural History club correspondence and ephemera 1914-1918
Notes on specimens undated
Pasadena High School Physics notebook 1902
English and "histology" exam questions 1904
History course syllabus and notes 1905
Throop Institute Yearbook 1908
School notes and other material 1901-1918
Philosophy notes, syllabus, and exams 1917-1918
Economics notes, syllabus, and exams 1917-1918
Psychology notes and expriements 1918
Stanford University registers 1902-1906
Cornell University register 1908-1909
Nature study notebooks by students at West Vernon School 1913-1914
Correspondence, teachers and students of West Vernon School and Lorquin Club 1914-1918
Student quizzes from Western Avenue School, grade 3 undated
Published articles by Grinnel 1914-1915
Ephemera, memorabilia, and publications by other authors 1872-1917
Clippings 1897-1917
"Scientific Faith" by John Burroughs, extract undated
Receipts, Union bank book, address book with memoranda 1901-1914
Religious ephemera 1872-1892, undated