▁cast - ir on ▁pla ques ▁issued ▁by ▁the ▁said ▁commission . ▁The ▁pla ques ▁themselves ▁are ▁permanent ▁signs ▁installed ▁in ▁public ly ▁visible ▁locations ▁on ▁buildings , ▁monuments , ▁or ▁in ▁special ▁locations . ▁ ▁While ▁many ▁Cultural ▁Properties ▁have ▁historical ▁markers ▁installed , ▁not ▁all ▁places ▁marked ▁with ▁historical ▁markers ▁are ▁designated ▁into ▁one ▁of ▁the ▁particular ▁categories ▁of ▁Cultural ▁Properties . ▁ ▁Neg ros ▁Occ ident al ▁ ▁Neg ros ▁Oriental ▁ ▁References ▁ ▁Foot notes ▁ ▁Bibli ography ▁▁ ▁A ▁list ▁of ▁sites ▁and ▁structures ▁with ▁historical ▁markers , ▁as ▁of ▁ 1 6 ▁January ▁ 2 0 1 2 ▁A ▁list ▁of ▁institutions ▁with ▁historical ▁markers , ▁as ▁of ▁ 1 6 ▁January ▁ 2 0 1 2 ▁ ▁External ▁links ▁ ▁A ▁list ▁of ▁sites ▁and ▁structures ▁with ▁historical ▁markers , ▁as ▁of ▁ 1 6 ▁January ▁ 2 0 1 2 ▁A ▁list ▁of ▁institutions ▁with ▁historical ▁markers , ▁as ▁of ▁ 1 6 ▁January ▁ 2 0 1 2 ▁National ▁Reg istry ▁of ▁Historic ▁S ites ▁and ▁Struct ures ▁in ▁the ▁Philippines ▁Pol ic ies ▁on ▁the ▁Install ation ▁of ▁Historical ▁Mark ers ▁ ▁Neg ros ▁Category : N eg ros ▁Island <0x0A> </s> ▁Sid he ▁( former ly ▁Sid he ▁Inter active ) ▁is ▁a ▁developer ▁of ▁video ▁games , ▁founded ▁and ▁incorpor ated ▁in ▁May ▁ 1 9 9 7 . ▁The ▁company ▁is ▁a ▁lic ensed ▁developer ▁for ▁Microsoft , ▁Sony ▁Computer ▁Entertainment , ▁N intendo ▁of ▁America , ▁and ▁Apple ▁Inc