Peter Paul and Mary, (Peter Yarrow, Paul Stookey, Mary Travers), 1960s. Courtesy: CSU Archives / Everett Collection
RMCWANKNPeter Paul and Mary, (Peter Yarrow, Paul Stookey, Mary Travers), 1960s. Courtesy: CSU Archives / Everett Collection
Folk Singers Peter, Paul and Mary perform at the March on Washington,  Left to right: Paul Stookey, Mary Travers and Peter Yarrow.
RMG3ACT0Folk Singers Peter, Paul and Mary perform at the March on Washington, Left to right: Paul Stookey, Mary Travers and Peter Yarrow.
Mary Travers Peter Yarrow Paul Stookey 1982 Photo By John Barrett/PHOTOlink / MediaPunch
RM2F3G7GTMary Travers Peter Yarrow Paul Stookey 1982 Photo By John Barrett/PHOTOlink / MediaPunch
PETER PAUL AND MARY - circa 1960's - Courtesy Granamour Weems Collection. Editorial use only
RMDNKY71PETER PAUL AND MARY - circa 1960's - Courtesy Granamour Weems Collection. Editorial use only
Mary Travers Peter Yarrow Paul Stookey 1982 Photo By John Barrett/PHOTOlink.net / MediaPunch
RMP6DKD9Mary Travers Peter Yarrow Paul Stookey 1982 Photo By John Barrett/PHOTOlink.net / MediaPunch
Folksinger Peter Yarrow of the 1960's folk group Peter Paul and Mary.
RM2FNHNC6Folksinger Peter Yarrow of the 1960's folk group Peter Paul and Mary.
Peter, Paul and Mary performing live in concert in Central Park in New York in 1978.
RF2J8GRF2Peter, Paul and Mary performing live in concert in Central Park in New York in 1978.
The folk singing trio of Peter, Paul and Mary are shown performing on stage during a 'live' concert appearance.
RMRMW69RThe folk singing trio of Peter, Paul and Mary are shown performing on stage during a 'live' concert appearance.
American Folk singers Peter, Paul and Mary arriving at London's heathrow Airport in 1988.
RMPT8R2NAmerican Folk singers Peter, Paul and Mary arriving at London's heathrow Airport in 1988.
Mary Travers Peter Yarrow Paul Stookey 1982 Photo By John Barrett/PHOTOlink.net
RMMAK4Y0Mary Travers Peter Yarrow Paul Stookey 1982 Photo By John Barrett/PHOTOlink.net
Mary Travers Peter Yarrow Paul Stookey 1982 Photo By John Barrett/PHOTOlink. Photo via Credit: Newscom/Alamy Live News
RMMAM1PDMary Travers Peter Yarrow Paul Stookey 1982 Photo By John Barrett/PHOTOlink. Photo via Credit: Newscom/Alamy Live News
Peter, Paul and Mary performing live in concert in Central Park in New York in 1978.
RF2HD7K5XPeter, Paul and Mary performing live in concert in Central Park in New York in 1978.