TY  - BOOK
AU  - Dietzgen,Joseph
AU  - Dietzgen,Eugen
AU  - Untermann,Ernest
AU  - Dietzgen,Joseph
TI  - The Positive Outcome of Philosophy: The Nature of Human Brain Work. Letters on Logic
AV  - B 
PY  - 2012///
PB  - Project Gutenberg
KW  - Philosophy
KW  - Logic
KW  - Knowledge, Theory of
N1  - Public domain in the USA; Electronic text
UR  - http://www.gutenberg.org/ebooks/39964
ER  -