Horace G. Richards (ed) books & textbook
Catalogue of Invertebrate Fossil Types at the Academy of Natural Sciences of Philadelphia: Special Publications of The Acad. of Natural Sciences of Phila., No. 8
Academy of Natural Sciences /1968-03-01 Paperback / 222 Pages
isbn-10: 1422319210 / isbn-13: 9781422319215
Annotated Bibliography of Quaternary Shorelines: Supplement 1965-1969: Special Pub. 10 of the Acad. of Natural Sciences of Phila.
Horace G. Richards (ed) Rhodes W. Fairbridge (ed)
Academy of Natural Sciences /1970-03-01 Paperback / 240 Pages
isbn-10: 142231779X / isbn-13: 9781422317792
