https://openlibrary.org/books/OL6222308M.opdsCalifornia, the new empire state a regional geography2020-09-27T09:55:25ZPaul Francis Griffinhttps://openlibrary.org/authors/OL2075380A/Paul_Francis_GriffinFearon PublishersSan Francisco1957xviii, 325 p.Bibliography: p. 313-317.enghttps://openlibrary.org/books/OL6222308Mhttps://archive.org/details/californianewemp00grif325753257007563