[S. P. Botkin's letters from Bulgaria (on the centenary of the liberation of Bulgaria from the Turkish yoke)].
D002031:Bulgaria; D049672:History, 19th Century; D049673:History, 20th Century; D008887:Military Medicine; D014421:Turkey; D014857:Warfare; D014956:Writing
Pis'ma S. P. Botkina iz Bolgarii (k 100-letiiu osvobozhdeniia Bolgarii ot turetskogo iga).