The correctness and purity of the Russian language (Правильность и чистота русской речи) and A Guide to Russian Spelling (Русское правописание : руководство). Turn of the century pre-revolutionary grammar books bound in a library hardcover binding. On the spine: Grot & Chernyshev Russian Grammar. Original editions published in Russian. Chernyshev was a Russian linguist and Grot was a nineteenth-century Russian philologist of German extraction was a graduate of the Tsarskoye Selo Lyceum. About 390 pages. Some white marks on the first couple of pages. Pages tanning but overall book is in good condition.