Columbia subject headings:
Harvard subject headings:
Gloor, Arthur
Ophthalmologists--Switzerland--Solothurn--History--20th century.
Ophthalmology--Switzerland--Solothurn--History--20th century.
Ophthalmoscopy--Switzerland--Solothurn--Pictorial works.
Zentralbibliothek Solothurn
Princeton subject headings:
Gloor, Arthur.
Ophthalmologists--Switzerland--Solothurn--History--20th century.
Ophthalmology--Switzerland--Solothurn--History--20th century.
Ophthalmoscopy--Switzerland--Solothurn--Pictorial works.
Zentralbibliothek Solothurn.