Pedagogical Digital Library contains 7 601 digital objects
Search for: [Creator = "Petzold, Emil \(1859\-1932\)"]
Number of results: 2
Petzold, Emil (1859-1932) Petelenz, Karol J. (ca 1850-19..)
1905
sprawozdanie szkolne
Petzold, Emil (1859-1932) Petelenz, Karol J. (ca 1850-19..)
1906
sprawozdanie szkolne
