cam a22 4500 257081933 CHVBK 20190930044420.0 090605s1973 xxk|||||||||| 00 |eng d 0-00-212021-6 (RERO)R005106461 RERO frvmhn s1zo rero Williams John George (RERO)A003977231 cre A field guide to the birds of East and Central Africa by John G. Williams 6th impr. London Collins 1973 288 p. ill. txt rdacontent n rdamedia nc rdacarrier RERO 100 1- Williams John George (RERO)A003977231 cre SWISSBIB 025190512 BK020000 XK020000 XK020000 RERO RE01083 RE01083 RE010830001 CDU 598.1(6) MHN 2313