1870s | 1880s | 1890s | 1900s | 1910s | 1920s | 1930s | 1940s | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s
1920
– Library holdings surpass 15,000 volumes
1921
– Central technical library on rubber created
– Library instruction becomes an elective course
– First full-time library assistant hired (Helen Osterhouse)
1922
– First course in Library Science taught (on school library management)
1923
– Total catalogued volumes surpasses 20,000
– Several hundred volume donation received from estate of Dr. Everett L. Rexford
– Sample School Library collection created
1924
– Circulation reaches over 31,000
1925
– Josephine Cushman becomes Head Librarian
1926
– First Order (Acquisitions) Librarian hired (Betty Brown)
1927
– First Circulation and Reference Librarian hired (Matilda Lowery)
– Holdings top 25,000 volumes
1929
– Circulation reaches 60,000
1870s | 1880s | 1890s | 1900s | 1910s | 1920s | 1930s | 1940s | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s