If you need colour photos of polish insignia, visit this page: http://www.grawerapanasiuk.pl/II_RP.htm
Majority of these units took part in defense of Poland in 1939.
dictionary:
pulk - regiment
piechota - infantry
kawaleria - cavalry
jednostki pancerne - armoured units
szkolnictwo wojskowe - military education units (academy, school, etc.)
I can help with some precise translations if needed 
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