Substances naturelles de synthèse. Préparations et méthodes de laboratoire. Collection publ.sous la direction de L.Velluz. 1951, (Ikke digitaliseret)
Bibliography of books and published reports on gas turbines, jet propulsion, and rocket power plants. 1951, Fiock, E.F.; Halpern, G., (Ikke digitaliseret)
å/s De danske Bomuldsspinderier Christensen,L.B. De danske Bomuldsspinderier 1901 -1.Januar - 1951. Virksomhedens Historie og Udvikling gennem 50 Aar 1951, (Ikke digitaliseret)
Smith,W.J., E.L.Turner and C.D.Hallam Photo-engraving in relief. A textbook intended for the use of apprentices, and others interested in the technique of photo-engraving. 1951, (Ikke digitaliseret)
The mechanisation of small farms in European countries. Report of the agricultural machinery sub-committee of the OoEoEoCo 1951, (Ikke digitaliseret)
All-purpose Diesels. A practical work for Diesel engineers, manufacturers, and users of all types of high-speed oil engines. 1951, Robson, J.M., (Ikke digitaliseret)
Die festen Isolierstoffe der Elektrotechnik als Bau- und Austauschstoffe. Schloss Bleckede a.d. 1951, (Ikke digitaliseret)
Nordisk leksikon for bogvæsen. Red.af P.Birkelund, E.Dansten og L.Nielsen. Bd.l. 1951, (Ikke digitaliseret)