Leibniz  
   Features Robert Latta's translation of the Monadology, with a hyperlinked glossary of key terms.
   http://www.rbjones.com/rbjpub/philos/classics/leibniz/

Monadology  
   A mixed translation of this work, presented by the Marxists.org Philosophy Archive.
   http://www.marxists.org/reference/subject/philosophy/works/ge/leibniz.htm

4Literature.net - Works by Leibniz  
   Monadology, Discourse on Metaphysics, and correspondence by Leibniz.
   http://www.4literature.net/Gottfried_Wil_Leibniz

Leibniz and Peter the Great  
   Drafts of Leibniz's letters to Peter the Great (1712-1716).
   http://citd.scar.utoronto.ca/HISB07/6.PG/6.L/7.X.50.html

Leibniz Translations  
   At this place, visitors will find English translations of various previously-untranslated papers by Gottfried Wilheim Leibniz.
   http://www.leibniz-translations.com

The Monadology  
   Robert Latta's 1898 translation of this classic tract, in plain text.
   http://www.student.liu.se/~bjoch509/works/leibniz/monadology.txt

Discourse on Metaphysics  
   The revised Montgomery translation of this text, with translator's notes. Presented as a single page.
   http://www.class.uidaho.edu/mickelsen/texts/Leibniz%20-%20Discourse%20on%20Metaphysics.htm