Foot, Michael Richard Daniell (1919-2012). Six faces of courage / M R. D. Foot ; with a preface by R. V. Jones. - First published in 1978. - London : Eyre Methuen, 1978. - 134 strony, [4] strony tablic : ilustracje ; 24 cm. ISBN: 0413394301 LC Class. No.: D802.E9 / F65 1978