Milton's Comus - Downloadable digitized book in PDF from the library collection at Case Western Reserve University. - http://library.case.edu/ksl/ecoll/books/belmil00/belmil00.html
Comus: A Masque - Renascence Editions HTML copy of the 1634 text. - http://darkwing.uoregon.edu/~rbear/comus.html
The Masque in Milton's Arcades and Comus - Analysis of the genesis of the piece, a discussion as to its genre, and background material on its wedding to the then-new Baroque music. - http://www.samizdat.qc.ca/arts/theatre/masque_gm.htm
John Milton (1608-1674) Comus Excerpts - Footnoted text provides interpretation and critical apparatus with historical background. - http://www.library.utoronto.ca/utel/rp/poems/milton4b.html
A Performance History of Comus - Introduction to the debut tracing verified facts and examining various conjectures as to staging and actors involved. - http://www.mith.umd.edu/comus/final/ceperform.htm