Selected papers. Edited by friends and coworkers on the occasion of his 70th birthday the 11th of March,1949 1949, (Ikke digitaliseret)
foundations of nuclear physics. facsimiles of thirteen fundamental studies as they were originally reported in the scientific journals. With a bibliography compiled by R.T.Beyer. 1949, (Ikke digitaliseret)
Manual on fatigue testing. Philadelphia, American Society for testing materials, 1949. 1949, (Ikke digitaliseret)
Indice di periodici scientifici e tecnici, Udg.af Consiglio Razionale delle Ricerche. Sezioni I-I4. 1949, (Ikke digitaliseret)
G-asbeton, Schaumbeton, Leichtkalkbeton. Versuchsergebnisse und Erfahrungen. 1949, (Ikke digitaliseret)