mededelingen en verhandelingen Weersverwachtingen op langen termijn in Nederland = Long-range weather forecasts in the Netherlands / S.W. Visser Stalin, 1879-1944 / J.T. Murphy ; with an introd. by Stafford Cripps special publication Relation between plane rectangular coordinates and geographic positions / by Walter F. Reynolds Over de verhouding van pepsine tot chymosine / Jan Will. Ant. Gewin European balance / Peter Matthews special publication First-order leveling in Hawaii / by Howard S. Rappleye Pathfinders / by William Anderson Top secret / Ralph Ingersoll Russia's secret weapon I saw the fall of the Philippines / Carlos P. Romulo Guerilla in Rotterdam / door T. de W. en C. V. ; ill. van Cor van Kralingen Miracle before Berlin / Richard MacMillan