edited by Joyce Bazire and James E. CrossPublished in association with the Centre for Medieval Studies, University of Toronto by University of Toronto Pressc1982
edited by Roberta Frank [and] Angus CameronPublished in association with the Centre for Medieval Studies, University of Toronto, by University of Toronto Pressc1973
edited by Angus Cameron, Roberta Frank, John LeyerlePublished in association with the Centre for Medieval Studies,University of Toronto, by University of Toronto Pressc1970