For background on this and similar World War I maps, see Notes for ID #1188. On this much smaller reproduction, the only commentary is: "Note the many diverse nationalities dominated by the Central Powers."
This map was widely reproduced in different forms; the collection includes four examples: ID #1188 (Cassell folding map); ID #1189 (Stanford's wall map); ID #1195 (Review of Reviews); ID #1198.02 (Stanford's school atlas).