1. Articles of incorporation, constitution and by-laws of the Microscopical Society of Washington, D.C Author(s): Microscopical Society of Washington, D.C., author. Publication: [Washington, D.C.?] : [Microscopical Society of Washington, D.C.?], [1892?] Subject(s): Societies, Scientific -- organization & administrationConstitution and BylawsDistrict of ColumbiaMicroscopical Society of Washington, D.C.