00513nam a2200169 4500 1/563 990224s1969 enk 001 0eng 577 DLC GR-PeUP 590.73 LA Laycock George. America's edgangered wildlife/ George Laycock. New York: W.W.Norton & Co., 1969. 226 p. ill., 24 cm. Include index. Wildlife America. INST UNIPILB MAIN 20040709 590.73 LA 00130514 00130514 LOAN 0 1