17 slides
17 slides
8 slides
8 slides
Academic Certificates and Awards
Academic Certificates and Awards
Research notes, January-February 1927.
Research notes, January-February 1927.
Research notes, January-September 1928.
Research notes, January-September 1928.
Scientific Speeches.
Scientific Speeches.
Portrait photographs and equipments
Portrait photographs and equipments
Research notes, 1931-1933.
Research notes, 1931-1933.
Research notes, 1931-1933.
Research notes, 1931-1933.
Research notes, c. 1933.
Research notes, c. 1933.