Includes a brief biography, several dozen MIDI hymns tunes.

Biographical article and portrait.

Article on music at the church where Mason was once Musical Directory.

Includes location and picture.

Includes a summary catalog.

Filmography showing the often uncredited use of his hymns in film soundtracks from the Internet Movie Database.

Wikipedia article with biography, portrait, assessment of his influence and commentary on his bias toward European style, internal references, and links.

Biography showing his importance to American hymnody and music education and his family heritage from the Grove Concise Dictionary of Music at WQXR radio.

Summary overview of manuscripts, papers, and books included.