ed by Niekirk,Paul H. (1971). The All England Law Reports 1971 Vol.2: : Annotated. LexisNexis Butterworths.
Dyfyniad Arddull Chicagoed by Niekirk,Paul H. The All England Law Reports 1971 Vol.2: : Annotated. London: LexisNexis Butterworths, 1971.
Dyfyniad MLAed by Niekirk,Paul H. The All England Law Reports 1971 Vol.2: : Annotated. LexisNexis Butterworths, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.