Who's who in literature
: a biograph. encyclopedia containing some 8000 biographies and addresses of prominent personalities, publishing companies, libraries and archives, assoc. and organisations of the Federal Republic of Germany, Austria and Switzerland ; some 5 000 latest titl / ed. by Otto J. Groeg. - Wörthsee : Who's Who Book & Publishing, 21 cm
ISBN 978-3-921220-20-7 / 3-921220-20-3 Lw. : DM 245.00 (Bd. 1. 2.)
Quelle: DNB
Who's who in medicine
: ed. Austria, Germany, Switzerland ; a biograph. directory containing some 8000 biographies of distinguished med. persons in Austria, Germany and Switzerland as well as a listing of 330 medico-scientific organisations / ed. by Otto Groeg. - 4. ed. - Wörthsee : Who's Who Book & Publishing, 1978. - X, 629 S.; 21 cm
ISBN 978-3-921220-30-6 / 3-921220-30-0 Lw. : DM 160.00
Quelle: DNB
