0 th ▁century . ▁ ▁The ▁Juan ▁S is co ▁Santiago ▁collection ▁Cover ing ▁the ▁period ▁from ▁ 1 9 3 0 ▁to ▁ 1 9 8 0 , ▁this ▁collection ▁includes ▁documents , ▁publications , ▁objects , ▁and ▁photograph s ▁by ▁the ▁famous ▁P once ▁photograph er ▁Juan ▁S is co ▁Santiago , ▁and ▁illustr ating ▁the ▁political , ▁social , ▁cultural ▁and ▁economic ▁daily ▁life ▁of ▁P once ▁during ▁the ▁second ▁half ▁of ▁the ▁ 2 0 th ▁century . ▁ ▁The ▁Dr . ▁Ana ▁Dol ores ▁Pérez ▁March and ▁collection ▁Cover ing ▁the ▁period ▁from ▁ 1 9 1 1 ▁to ▁ 1 9 5 0 , ▁this ▁collection ▁includes ▁photograph s , ▁documents , ▁publications , ▁and ▁personal ▁items ▁of ▁P once ' s ▁first ▁female ▁phys ician , ▁Ana ▁Dol ores ▁Pérez ▁March and . ▁Dr . ▁Pérez ▁March and ▁was ▁also ▁one ▁of ▁the ▁first ▁three ▁female ▁phys ician ▁in ▁Puerto ▁Rico . ▁This ▁collection ▁provides ▁a ▁valuable ▁resource ▁for ▁studying ▁the ▁role ▁of ▁women ▁during ▁the ▁early ▁ 2 0 th ▁century , ▁and ▁the ▁development ▁of ▁health ▁and ▁medicine ▁in ▁Puerto ▁Rico ▁in ▁general . ▁ ▁The ▁Em ilio ▁J . ▁Pas are ll ▁collection ▁Cover ing ▁the ▁period ▁from ▁ 1 9 0 0 ▁to ▁ 1 9 2 0 , ▁this ▁collection ▁includes ▁post cards ▁by ▁P once ▁photograph er ▁José ▁Rodríguez ▁Ser ra . ▁The ▁collection ▁was ▁don ated ▁by ▁the ▁Em ilio ▁J . ▁Pas are ll ▁succession . ▁These ▁offer