The luminiferous ether : (I) Its relation to the electron and to a universal interstellar medium; (II) Its relation to the atom Q Science
Dodo-studiën. Naar aanleiding van de vondst van een gevelsteen met dodo-beeld van 1561 te Vere Q Science
Abstracts of papers dealing with rock and rock products, presented at the third annual Mineral Industries Conference of Illinois, May 17-18, 1935 Q Science
Mathematical tables consisting of logarithms of numbers 1 to 108000, trigonometrical, nautical, and other tables Q Science