14-18 : de eerste wereldoorlog / [wetenschappelijke red.: R.L. Schuursma (voorzitter), Z.R. Dittrich, P.W. Klein ... et al.] van reizen en trekken Naar het sneeuwgebergte van Nieuw-Guinea met de derde Nederlandsche expeditie / A. Pulle Voorspel en verloop van den slag aan de Marne, September 1914 / Aug. Alph. Maria Cuypers truth about western policy on the German question : the Western Powers' Responsibility for the Violation of the Potsdam Agreement and the Resurgence of German … Recherche sur quelques phénomènes d'interférence des courbes de vibration / par J.W.N. Le Heux Académie Royale des Sciences, les universités et les écoles techniques supérieures aux Pays-Bas et aux Indes néerlandaises special publication / u.s. department of commerce, coast and geodetic survey determination of the relative values of gravity at Potsdam and Washington / by E.J. Brown Beknopte kleurenleer en de toepassing der kleuren in architectuur en binnenhuiskunst / door E. Rijgersberg special publication Elements of map projection with applications to map and chart construction / by Charles H. Deetz and Oscar S. Adams special publication Bowie method of triangulation adjustment as applied to the first-order net in the western part of the United States / by Oscar S. Adams special publication Elements of map projection with applications to map and chart construction / by Charles H. Deetz and Oscar S. Adams special publication Manual of plane-coordinate computation / by Oscar S. Adams and Charles N. Claire