"Tribio : the biology of the tri-state area. "; "University of Pittsburgh. Department of Biological Sciences. "; "Biology--West Virginia--Periodicals.", "Biology--Pennsylvania--Periodicals.", "Biology--Ohio--Periodicals."; "University of Pittsburgh. Department of Biological Sciences. "; "1952-1954"; "Serial. Printed Ephemera Collection has: v.1:no.1 (1952:Jan.)-v.1:no.2 (1952:Apr.), v.2:no.2 (1953:Nov.), v.3:no.1 (1954:Apr.).
"; ""; "P4717"; "pec"; "Biology--West Virginia--Periodicals.", "Biology--Ohio--Periodicals.", "Biology--Pennsylvania--Periodicals."; "14256"; .