by Simard, Renée-Luce, Dostal, Jaroslav, Roots, Charlie F
Published in Canadian journal of earth sciences (01.07.2003)

by Brideau, Marc-André, Stead, Doug, Roots, Charlie, Orwin, John
Published in Engineering geology (06.02.2007)

by Roots, Charlie
Published in Northern review (Whitehorse) (01.07.1992)

by Courtesy of Charlie Roots
Published in Star (Whitehorse) (16.09.2010)

by Reviewed by Laurence Gonzales, A novelist and author of the forthcoming "One Zero Charlie: Adventures in Grass Roots Aviation".
Published in Chicago tribune (1963) (20.12.1992)