▁Henry ▁Clay ▁Fr ick : ▁An ▁Int imate ▁Port rait . ▁New ▁York : ▁Ab be ville ▁Press , ▁ 1 9 9 8 . ▁S anger , ▁Mar tha ▁Fr ick ▁Sym ington . ▁The ▁Henry ▁Clay ▁Fr ick ▁H ouses : ▁Architecture , ▁Inter iors , ▁Land sc apes ▁in ▁the ▁Golden ▁Era . ▁New ▁York : ▁Mon ac elli ▁Press , ▁ 2 0 0 1 . ▁Smith , ▁Ro berta . ▁" Change ▁Ar riv es ▁on ▁Ti pto es ▁at ▁the ▁Fr ick ▁M ansion ". ▁The ▁New ▁York ▁Times , ▁August ▁ 2 8 , ▁ 2 0 0 8 . ▁Stand if ord , ▁Les . ▁Me et ▁You ▁in ▁Hell : ▁Andrew ▁Car neg ie , ▁Henry ▁Clay ▁Fr ick , ▁and ▁the ▁B itter ▁Part ners hip ▁That ▁Trans formed ▁America . ▁New ▁York : ▁Crown ▁Publish ers , ▁ 2 0 0 5 . ▁Warren , ▁Kenneth . ▁Tri umph ant ▁Capital ism : ▁Henry ▁Clay ▁Fr ick ▁and ▁the ▁Indust rial ▁Trans formation ▁of ▁America . ▁Pitts burgh : ▁University ▁of ▁Pitts burgh ▁Press , ▁ 1 9 9 6 ; ▁the ▁standard ▁scholar ly ▁bi ography . ▁Warren , ▁Kenneth . ▁" The ▁Business ▁Career ▁of ▁Henry ▁Clay ▁Fr ick ". ▁Pitts burgh ▁History ▁vol . ▁ 7 3 , ▁no . ▁ 1 ▁( Spring ▁ 1 9 9 0 ): ▁ 3 – 1 5 . ▁ ▁External ▁links ▁▁ ▁Official ▁Fr ick ▁Collection ▁Website ▁ ▁The ▁Fr ick