www.gilbertandsullivanonline.com

Anchor text: Sullivan editions at Christopher Browne's Gilbert & Sullivan Online Catalogue

Wikipedia: Ivanhoe (opera)

Anchor text: Programmes for ''Whittington Jr.'' and ''Rendezvous''

Wikipedia: Fred Sullivan

Anchor text: Programmes/Ephemera

Wikipedia: Paul Gregg

Anchor text: Programme listings

Wikipedia: Robert Reece

Wikipedia: Song of Liberty

Anchor text: "Programmes/Ephemera"

Wikipedia: Arthur Cecil