Comisiynwyd, ac fe berfformiwyd y ddrama hon gyntaf gan gwmni Dalier Sylw yng Nghanolfan Gelfyddydau Chapter, Mawrth 11, 1993 = This drama was commissioned and first performed by the Dalier Sylw theatre company in the Chapter Arts Centre, March 11, 1993.
Rhif ISBN dyblyg ar gyfrol arall = Duplicate ISBN number on another vol.: Epa yn y parlwr cefn.
'Wyneb yn wyneb' by Meic Povey. ISBN 1856449459. Published by Dalier Sylw mewn cydweithrediad â'r Ganolfan Astudiaethau Addysg in 1995. Publication and catalogue information, links to buy online and reader comments.