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Oregon Oregon, My Oregon Oregon City (lớp tàu tuần dương) Oregon, Illinois Oregon (thị trấn), Wisconsin Oregon, Wisconsin Oregonichthys kalawatseti Oregon, Ohio Oregon (định hướng) Oregonichthys crameriTài liệu tham khảo
WikiPedia: Oregon, My Oregon http://www.50states.com/midi/0or.mid http://www.ibdb.com/person.asp?ID=453970 http://www.netstate.com/states/symb/song/or_my_or.... http://www.theatreorgans.com/southerncross/Journal... http://www.national-anthems.org/anthems/naw_id/SSA... http://www.ohs.org/education/oregonhistory/histori... http://www.pstos.org/instruments/or/portland/liber... http://www.pstos.org/instruments/wa/seattle/libert... http://bluebook.state.or.us/facts/almanac/almanac0... http://bluebook.state.or.us/images/facts/almanac/s...