Organic chemistry (continued).

Folder A.65. Systematic organic chemistry notes on cyclic compounds (quinonoid rings), alicyclic, and others, indexes on D700, D760, paginated D700-D947 with a jump in numeration at D812.

Folder A.66. "Organic chemistry - general", notes and notes on the literature, school and university material, index on first page, paginated D1000-D1147.