TY  - BOOK
AU  - Roscher,Wilhelm
TI  - Principles of Political Economy, Vol. 1
PY  - 1894///
PB  - Project Gutenberg
N1  - Open access — freely available to read
N2  - Public domain work from Project Gutenberg. Subject: economics
UR  - https://www.gutenberg.org/cache/epub/27698/pg27698-images.html
ER  -