Slavery (Topical Term)
- Abolition of slavery
- Antislavery
- Enslavement
- Mui tsai
- Ownership of slaves
- Servitude
- Slave keeping
- Slave system
- Slaveholding
- Thralldom
- Broader heading: Crimes against humanity
- Serfdom
- Slaveholders
- Slaves
Yourdictionary.com WWW site, Apr. 17, 2009 (Slavery; synonyms: thralldom, slaveholding)
Google search, Apr. 14, 2009 (137,000 hits: slave system 'slavery')
LC database, July 21, 2011 (enslavement)
Merriam-Webster unabridged, via WWW, July 21, 2011 (enslavement 1 : the act or process of enslaving <the gradual enslavement of primitive peoples>; 2 : the state of being enslaved : BONDAGE, SERVITUDE)