PDF files of the User's Guides for the CHOLMOD, AMD and CAMD sparse
matrix libraries are available from Tim Davis's web site for his
sparse matrix packages.  The base URL for the web site is

http://www.cise.ufl.edu/research/sparse

A direct link to "The CHOLMOD User's Guide" is

http://www.cise.ufl.edu/research/sparse/cholmod/current/CHOLMOD/Doc/UserGuide.pdf

A direct link to "The AMD User's Guide" is

http://www.cise.ufl.edu/research/sparse/amd/current/AMD/Doc/AMD_UserGuide.pdf

(Apparently Tim has taken Oscar Wilde's observation that "consistency
is the last refuge of the unimaginative" to heart.)

A direct link to "The CAMD User's Guide" is

http://www.cise.ufl.edu/research/sparse/camd/current/CAMD/Doc/AMD_UserGuide.pdf