Columbia subject headings:
Harvard subject headings:
Daguerreotype.
Heer, Samuel, 1811-1889.
Photography--Switzerland--Lausanne--History--19th century.
Portrait photography--Switzerland--Lausanne.
Princeton subject headings:
Daguerreotype.
Heer, Samuel, 1811-1889.
Photography--Switzerland--Lausanne--History--19th century.
Portrait photography--Switzerland--Lausanne.