These minutes pertain to actions taken by the Royal Society, and include lists of members present at council meetings.

The Minutes and Correspondence of the Academy of Natural Science of Philadelphia, 1812-1894, include documents relating to the founding of the institution. Featured material found within the 38 reels: initiatory statements from the founders about ideas regarding the organization and policies as well as reports of curators, treasurers, secretaries, librarians, and various special committees.

The archive of this village literary and scientific lyceum contains its constitution and by-laws, minutes, library catalogues, treasurer's accounts, membership rolls, and correspondence.

This collection includes correspondence of the Club (1909-1915, 1945-1971), financial records, and records of meetings. There are also bound volumes of minutes (1910-1918), treasurer's accounts, and a membership book. In addition, there are folders concerning the American Association of Physics Teachers, the Engineering and Technical Societies Council of Delaware Valley (1961-1965), and the Philadelphia Science Council.

Minutes of meetings, mainly dealing with astronomy; added papers by Jean Paul Grandjean de Fochy and Jean-Jacques Dortous de Mairan.