Telecommunications
1928
1929
c.1940
Radio Communication
1935-1936
Mathematics
1920-1925
Road Transport
1922-1923
1926
Electronic Components
1939
Passenger Comforts
1924
Materia Medica & Pharmacology
1928-1930
1920-1930
Plastics and Modern Materials
Photographic Technology
c.1925
c.1927; c.1927
c.1945
c.1920
1930-1935
1921-1926
1923
1920-1927
Nuclear Physics
1937
1931
Dentistry
1920-1940
Ethnography and Folk Medicine
1919
1925-1930
Surgery
1918-1920
1920-1937
1944-1945
c.1930
Psychology, Psychiatry & Anthropometry
1926-1934
1920-1929
Medical Glass-ware
1932