1856
Langenheim Brothers [Frederick and William Langenheim], 1860
Langenheim Brothers [Frederick and William Langenheim], 1856
Langenheim Brothers [Frederick and William Langenheim], 1858
Langenheim Brothers [Frederick and William Langenheim], 1855
Langenheim Brothers [Frederick and William Langenheim], 1854
Langenheim Brothers [Frederick and William Langenheim], 1845
Langenheim Brothers [Frederick and William Langenheim], 1849
![[Felsenkeller]](https://media.getty.edu/iiif/image/b4b004a8-ce42-4b57-acb4-966bccedf25c/full/843,/0/default.jpg)
![[Portrait of an Unidentified Seated Man]](https://media.getty.edu/iiif/image/db494b19-d3d6-40a6-99c0-24e9c025c30a/full/843,/0/default.jpg)
![[William Langenheim]](https://media.getty.edu/iiif/image/f64afb52-1c26-4e7f-8267-fb93d9bd805b/full/843,/0/default.jpg)
![General View from American Side. [Niagara Falls]](https://media.getty.edu/iiif/image/1ce1938c-7811-4a5b-9b0b-95d2e6633d4a/full/843,/0/default.jpg)