Symposium on searchlights : containing a series of five papers presented at a meeting of the illuminating engineering society, held in London on april 15, … siège de Paris vu à vol d'oiseau / W. de Fonvielle Essai sur le vol des oiseaux en général : considérations particulières au vol des pigeons-voyageurs / L. Du Puy de Podio publications of the research group for european migration problems refugees as a burden, a stimulus, and a challenge to the West German economy / by Friedrich Edding ; with a pref. by Edgar Salin publications of the research group for european migration problems European emigration overseas past and future / by H.A. Citroen ; with prefaces by Sjoerd Groenman and William E. Rappard As we see Russia / by members of the Overseas Press Club of America nav med Epidemiology of diseases of military importance in the Netherlands Indies : including the identification and distribution of anthropods of medical importance Methods of operations research / Philip M. Morse and George E. Kimball Veterinary work in the Netherlands : lectures, delivered to the participants of the intra-European T.A. training course on livestock disease control, May 18-June 12, 1953 … Operation Waste / Phillipe de Pirey ; transl. by Pamela Search contribution of atomic energy to agriculture : Hearings before the subcommittee on research and development of the joint committee on atomic energy technical paper Report of committee on vaporizing liquid extinguishing agents : fire research / Department of scientific and industrial research and fire offices' committee