Data: Adam Koc, battle, PolishSoviet War; Poland, language, Kashubian language; PolishSoviet War, commander, Leon Trotsky; Adam Koc, nationality, Poland

The Kashubian language is spoken in Poland, the country of Adam Koc's nationality. He fought in the PolishSoviet War where one of the commanders was, Leon Trotsky.

Data: Elliot See, deathPlace, St. Louis; Elliot See, birthDate, "1927-07-23"; Elliot See, occupation, Test pilot

Elliot See died in St. Louis, was born on the 23rd of July 1927 and performed as a test pilot.

Data: American Journal of Mathematics, abbreviation, "Am. J. Math."; American Journal of Mathematics, issnNumber, "1080-6377"
The American Journal of Mathematics (abbreviated to Am. J. Math) has ISSN number 1080-6377.