John Charles Geyer was as a teacher, writer, and consultant on environmental matters born in 1906. This collection consists largely of writings, subject files relating to environment consulting and teaching at Johns Hopkins University, and some personal items, spanning 1952-1980.

This is a collection of Chinese language study materials, including textbooks, translations, and translation drafts dating from approximately the 1910s through the 1920s. This collection has not been processed.

This collection contains a 1918 textbook entitled, "A Course in Mathematics for the First College Year", written by Lorrain Sherman (L.S.) Hulburt, who taught mathematics at Johns Hopkins University from 1892-1928.

William Stone Grauer (born 1915) entered the freshman class at Hopkins in 1932. The papers span the period 1926 through 1940 but the bulk revolve around his freshman and sophomore years, 1932-1934. The papers are largely the correspondence among William and his parents Mr. and Mrs. Albert Lee Grauer and his sister Betty Alice Grauer.