▁and ▁develop ▁photograph s , ▁using ▁how - to ▁books ▁as ▁a ▁source ▁of ▁instruction . ▁The ▁bulk ▁of ▁her ▁ 1 4 , 0 0 0 ▁neg atives ▁represented ▁photos ▁of ▁every day ▁life , ▁providing ▁details ▁of ▁the ▁business ▁and ▁religious ▁practices ▁of ▁local ▁people , ▁taken ▁in ▁the ▁market place ▁and ▁along ▁its ▁narrow ▁streets , ▁and ▁also ▁individuals ▁and ▁land sc apes . ▁She ▁would ▁ask ▁Americans ▁coming ▁to ▁the ▁area ▁to ▁bring ▁the ▁phot ographic ▁chemical s ▁and ▁paper ▁she ▁needed ▁to ▁print ▁her ▁photos . ▁ ▁A ▁b iling ual , ▁ret ros pective ▁survey ▁of ▁ 7 5 ▁of ▁her ▁photograph s ▁was ▁published ▁by ▁Stan ford ▁University ▁Press ▁in ▁ 2 0 0 1 ▁as ▁The ▁Bur den ▁of ▁Time ▁/ ▁El ▁C argo ▁del ▁T iem po . ▁The ▁ 1 6 8 - page ▁book , ▁edited ▁by ▁Carol ▁Kar as ik , ▁includes ▁pictures ▁taken ▁in ▁the ▁ 1 9 6 0 s ▁and ▁ 1 9 7 0 s ▁of ▁the ▁day - to - day ▁life ▁of ▁the ▁native ▁May a ▁and ▁Lad ino ▁pe op les . ▁Jacob son ' s ▁archive ▁of ▁neg atives ▁was ▁described ▁in ▁ 2 0 0 9 ▁as ▁dest ined ▁for ▁Casa ▁Na ▁Bol om , ▁a ▁museum ▁in ▁San ▁Crist ó bal . ▁ ▁Death ▁She ▁died ▁of ▁heart ▁failure ▁at ▁age ▁ 9 7 ▁on ▁July ▁ 2 6 , ▁ 2 0 0 9 , ▁in ▁San ▁Crist ó bal