Complete Old Books:
- The Universal Kinship (link to archive.org) by J. Howard Moore (1862-1916), pub. Chicago, 1906. "kinship of all
the inhabitants of the planet Earth"
- Humanitarian Philosophy (link to archive.org) by Emil Edward Kusel, Los Angeles, 1912
- About IVU - for archives of World Vegetarian Congresses since 1908 (1908-1955 were all in Europe but with input from North America)