Key to symbols at top right, left-hand column first: 1934 revolutionary base area; 1935 revolutionary base are; 1936 revolutionary base area expanded following Red army western campaign; revolutionary guerrilla bases and revolutionary guerrilla districts; [right-hand...
Technical Note:
Scanned using Betterlight TTI and edited by KMercer and CDeWolfe, cataloguing metadata provided by R.King and KMercer. Migration metadata by KD.