dr. Pigor's Naughty Book. Published by the author in Riga in 1924. the cover was drawn by R K. dr. Pigors-Mellup Kārlis (1889 Drustos - ?) - literate.nnPro...
Motorcycle A. Postnikovs, Latvijas Valsts izdevniecība, Riga, 1949. One of the largest compilations on the construction and operation of motorcycles, published shortly after World War II. A good helper for restoring retro motorcycles.