1. Charter and by-laws of the Pennsylvania Retreat for Blind-Mutes and Aged and Infirm Blind Persons: incorporated, April 13, 1882 Author(s): Pennsylvania Retreat for Blind-Mutes and Aged and Infirm Blind Persons. Publication: Philadelphia : John H. Culbertson & Co., [1882?] Subject(s): Hospitals, Special -- organization & administrationVisually Impaired PersonsConstitution and BylawsPhiladelphiaPennsylvania Retreat for Blind-Mutes and Aged and Infirm Blind Persons.
2. An act relative to the employment by railroad companies of persons affected with defective sight or color blindness Author(s): Massachusetts. General Court, enacting jurisdiction. Publication: [Boston, Mass.?] : [publisher not identified], [1881?] Subject(s): Railroads -- manpowerVisually Impaired PersonsColor Vision DefectsMassachusetts