Locomotives and Rolling Stock
1938
1935
1936
Radio Communication
1934
Photographic Technology
1934-1935
Locomotives and Rolling Stock Components
Public Health & Hygiene
Psychology, Psychiatry & Anthropometry
1937
Biotechnology
Surveying
1940
Aircraft Propulsion
Papermaking
c1935
Surgery
1938-1939
Classical & Medieval Medicine
Telecommunications
1938; (1838)
1941
1939
Textile Industry
Audiology
1935-1936
Road Transport
Domestic Appliances
Materia Medica & Pharmacology
1937-1938
Cinematography
c.1940
Railway Maps & Plans
Obstetrics, Gynaecology & Contraception
1938-1940
1934-1940
Tools of the Trade & Personal Accessories
Plastics and Modern Materials
Aeronautics
c. 1936