Series 1. General correspondence
Letters from Jennie Topping to Ralph Eastman 1899-1901
Letters from Ralph Eastman to Jennie Topping, later Jennie Eastman 1898-1936
Letters to Ralph Eastman from various correspondents 1893-1911
Letters to Jennie Topping from various correspondents
Letters from Ralph Eastman to his parents, non-Philippine 1898-1923
Letters to Ralph and Jennie from Ralph's parents 1902-1904
Letters to Ralph and Jennie from Jennie's mother, Laura Topping 1901-1904
Letters to Ralph and Jennie from F. Mae Topping, Jennie's sister 1902-1904
Letters to F. Mae Topping from various correspondents 1902
Letters to Laura Topping, Mrs. Orlando Topping from various correspondents
Undated and miscellaneous letters
Miscellaneous ephemera
Photographs and drawings
Series 2. Philippine materials 1901-1906
Letters to Ralph Eastman's parents from Ralph and Jennie 1901-1905
Letters to Mrs. Orlando Topping, Laura Topping, from Ralph and Jennie 1901-1905
Letters to F. Mae Topping from Jennie and Ralph Eastman, Philippines 1901-1905
Letters to Ralph and Jennie Eastman from Philippines 1902-1906
Manuscript diary kept jointly by Ralph and Jennie Eastman 1902-1904
Scrapbook containing printed newspaper clippings of letters by Ralph from the Philippines
Manuscript class room notebooks, attendance roll books, kept by Ralph Eastman, Philippines
The Briny Budget published by teachers onboard the transport Thomas, Honolulu 1901-08-01
Ephemera from the Philippines