http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Some selections written or co-authored by Friedrich Engels.
At head of title: Istituto Marx-Engels-Lenin--Mosca.
From the estate of George and Mathilda Sabo by Dr. Joseph R. Corcoran & Irene Sabo Corcoran and family, September 1998.