Author
- Helweg, Halvdan, 1884- 1 results
- Keizai Kōhō Sentā (Tokyo, Japan) 1 results
- Lituanistikos institutas (U.S.) 1 results
- Mills, John, 1812-1873 1 results
- Pennsylvania Council for the Social Studies 1 results
- Pennsylvania Historical and Museum Commission 1 results
- Pennsylvania. Department of Education 1 results