Discography
| July 14, 1960 | Little Billy Blue Shoes/Run Come See |
| August 1960 | Folk Music as Heard at The Gourd |
| April 1961 | Songs of the Blue and Grey ; recorded by The Wayfarers Trio |
| April 30, 1962 | Away All Boats |
| 1963 | The Big Hootenanny |
| March 12, 1963 | I Am an American |
| August 26, 1963 | More Hootenany |
| Unknown | Feudin' Banjos |
| 1963 | The Twelve-String Story Vol. I |
| 1963 | The Twelve-String Story Vol. II |
| October 1963 | The Banjo Story |
| October 29, 1963 | Folk Baroque; with Paul Sykes (singer), Oklahoma City Symphony members, and OCU Chorus. |
| 2 April 1964 | 5-String Banjo Greats |
| 1964 | Them Poems |
| December 24, 1965 | Introducing Jayne Heather |
| April 1965 | Tour de Farce (The Smothers Brothers) |
| April 22, 1966 | Love Are Wine/The Exciting Accident |
| 1966 | The Smothers Brothers Play It Straight |
| 1968 | Classical Gas/Baroque-a-Nova |
| February 1968 | The Mason Williams Phonograph Record |
| August 10, 1968 | Classical Gas/Long Time Blues |
| November 1968 | The Mason Williams Ear Show |
| 1968 | Saturday Night at the World/One-Minute Commercial |
| March 13, 1969 | Music |
| March 1969 | Greensleeves/$13 Stella |
| 1969 | Jennifer |
| March 1969 | The Mason Williams Listening Matter (Them Poems) |
| March 10, 1970 | Handmade |
| 1970 | José's Piece |
| 1 January 1971 | Improved |
| October 1971 | Sharepickers |
| 1971 | Train Ride in G/Here I Am Again |
| November 1978 | Fresh Fish |
| December 1984 | Of Time and Rivers Flowing |
| October 22, 1987 | Classical Gas — Mason Williams and Mannheim Steamroller |
| July 13, 1992 | Music 1968–1972 |
| September 18, 1992 | A Gift of Song |
| 1994 | Rock Instrumental Classics, Vol. 2: The Sixties |
| September 1995 | Fiddle and a Song |
| Unknown | 1968 Billboard Top Pop Hits (Rhino) (features "Classical Gas") |
| December 20, 1995 | 1995 Sony Disc Manufacturing Holiday Choir |
| 9 April 1996 | Cascadia (1996 Oregon Governor's Arts Awards) |
| May 17, 1996 | Of Time and Rivers Flowing (re-released) |
| December 25, 2003 | Music for the Epicurean Harkener (EP) |
| September 27, 2005 | Electrical Gas — Mason Williams and Zoe McCulloch, Online at http://www.youtube.com/watch?v=tgpE9GzNatw |
| September 30, 2006 | Classical Gas - Mason Williams, Craig Einhorn, Online at http://www.youtube.com/watch?v=078N20Zxx1k |
| December 1, 2006 | Classical Gas - Mason Williams at the Wildish Theater, Online at
http://www.youtube.com/watch?v=ozAqqNZ0LHw |
| April, 2008 | 40th anniversary of Classical Gas - Classical Gas with Mason Williams and the original Dan McLaughlin "Classical Gas Video" as it appeared on The Smothers Brothers Comedy Hour in 1968. Online at
http://www.youtube.com/watch?v=AoQh7F_1mbk |
| December 5, 2009 | O Christmas Three (EP) |
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