The collection consists of four distinct series, which contain documents pertaining to Haverford professor Louis Green's activity in academia. These include materials related to his research, consisting of his 1937 PhD. dissertation from Princeton University, his Solar and Stellar Pulsations book manuscript, calculations, and lab journals; student assignments and examinations; lecture notes; and materials related to Haverford College policies.

The collection consists of Samuel J. Gummere's mathematics lectures, his notes on astronomy and a minor expenses cash book.

The collection contains eight volumes with J. Rendel Harris' lecture notes from his time teaching Mathematics at Cambridge. They include notes on Geometry and Algebra, Differential Calculus, Solid Geometry, Heat Electricity, Hydrostatics, Light and Sound, Astronomy and Dynamics of a Particle.