Columbia subject headings:
Harvard subject headings:
Cataract--Diagnosis--Early works to 1800.
Cataract--Diagnosis--Switzerland--Zurich--History--18th century.
Cataract--Diagnosis--Switzerland--Zurich--History--Sources.
Cataract--Surgery--Early works to 1800.
Cataract--Surgery--Switzerland--Zurich--History--18th century.
Cataract--Treatment--Early works to 1800.
Cataract--Treatment--Switzerland--Zurich--History--18th century.
Stoll, Johann Conrad, 1766-1836.
Stoll, Johann Conrad--Manuscripts--Facsimiles.
Stoll, Johann Conrad.
Surgeons--Switzerland--Biography.
Princeton subject headings:
Cataract--Diagnosis--Early works to 1800.
Cataract--Diagnosis--Switzerland--Zurich--History--18th century.
Cataract--Surgery--Early works to 1800.
Cataract--Surgery--Switzerland--Zurich--History--18th century.
Cataract--Treatment--Early works to 1800.
Cataract--Treatment--Switzerland--Zurich--History--18th century.
Facsimiles.
Stoll, Johann Conrad--Manuscripts--Facsimiles.
Stoll, Johann Conrad.
Surgeons--Switzerland--Biography.