| Newspaper | Date | Article |
| The Providene Journal | February 19, 2006 | Sadness, again, for Cowsills |
| Canada.com | February 19, 2006 | Billy Cowsill, lead singer of The Cowsills, dies on the eve of his brother's memorial |
| Boston Globe | February 19, 2006 | Lead singer of The Cowsills dies in Canada |
| Calgary Herald | February 20, 2006 | Rock legend Cowsill dies in Calgary home |
| Times Colonist | February 20, 2006 | Sang lead for band that became model for Partridge Family |
| The Newport Daily News | February 20, 2006 | Cowsills 'take second hit' with death of brother Bill |
| CBC News | February 20, 2006 | Lead singer of Cowsills dies as brother mourned |
| The London Free Press | February 20, 2006 | Band led to Partridge Family |
| The New York Times | February 21, 2006 | William Cowsill, 58, Leader of Family Pop-Rock Band, Dies |
| The Providence | February 21, 2006 | 'One of the great ones' |
| The LA Times | February 21, 2006 | Billy Cowsill, 58; Lead Singer for 1960s Teen Pop Band the Cowsills |
| E! Online | February 21, 2006 | Another Cowsill Family Tragedy |
| Rolling Stone | February 21, 2006 | Billy Cowsill Dead at 58 |
| People | March 6, 2006 | Deaths |
| jam! Showbiz | February 26, 2006 | Cowsill's death a loss for Calgary |
| The Morning Call | December 31, 2006 | Notable deaths in 2006 |
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