Capital: Oklahoma City
Government:
http://www.ok.gov/
Tourism:
http://www.travelok.com/
Netstate:
http://www.netstate.com/states/geography/ok_geography.htm
Enchanted Learning:
http://www.enchantedlearning.com/usa/states/oklahoma/
State Parks:
http://www.travelok.com/State_Parks/
Maps:
http://www.lib.utexas.edu/maps/oklahoma.html
State Symbols:
http://www.okhistory.org/kids/symbols.html
Estado de Oklahoma
https://www.ecured.cu/Estado_de_Oklahoma_(Estados_Unidos)