The cradle will rock (Catalan Wikipedia)

Green, Stanley i Green, Kay."'The Cradle Will Rock' listing" Broadway Musicals, Show by Show (Ed.5), Hal Leonard Corporation, 1996, ISBN 0-7935-7750-0, p. 101
Block, Geoffrey.'The Cradle Will Rock' Enchanted Evenings, Oxford University Press US, 2004, ISBN 0-19-516730-9, p. 117

broadwayworld.com (Global: 448^th place; Catalan: 569^th place)

«Broadway World - #1 for Broadway Shows, Theatre, Entertainment, Tickets & More!».

chicagotribune.com (Global: 143^rd place; Catalan: 433^rd place)

Critic, Sid Smith, Tribune Arts. «'CRADLE WILL ROCK' KEEPS MUCH OF THE BITE OF 1937 ORIGINAL».

clevescene.com (Global: low place; Catalan: low place)

"Scene Magazine review by Christine Howey", clevescene.com, accessed August 6, 2012

guidetomusicaltheatre.com (Global: low place; Catalan: low place)

Plantilla:"'The Cradle Will Rock' listing" guidetomusicaltheatre.com, accessed March 8, 2011

ibdb.com (Global: 411^th place; Catalan: 1,080^th place)

"'The Cradle Will Rock', 1938" Internet Broadway database, accessed March 9, 2011
The Cradle Will Rock, 1947, Internet Broadway Database, accessed March 8, 2011

infoplease.com (Global: 3,121^st place; Catalan: 1,778^th place)

"Obie Awards, 1964-1965" InfoPlease.com, accessed March 9, 2011

jonathanrosenbaum.net (Global: low place; Catalan: low place)

Rosenbaum, Jonathan. «Afterword to The Cradle Will Rock, a screenplay by Orson Welles». jonathanrosenbaum.net, 17-06-1994. Arxivat de l'original el 2017-12-21. [Consulta: 27 desembre 2017].

lortel.org (Global: 6,747^th place; Catalan: 8,011^th place)

"'The Cradle Will Rock' Listing, 1964" Arxivat 2015-10-19 a Wayback Machine. Internet Off-Broadway Database, accessed March 8, 2011
"'The Cradle Will Rock' Listing" Arxivat 2015-06-20 a Wayback Machine. Internet Off-Broadway Database listing, accessed March 8, 2011

nytimes.com (Global: 7^th place; Catalan: 14^th place)

«WPA Opera Put On com Private Show; 'The Cradle Will Rock' Is Given Commercially at the Venice Theatre Here». The New York Times, 19-06-1937 [Consulta: 27 desembre 2017].
"Steel Strike Opera Is Put Off By WPA" The New York Times (abstract), June 17, 1937
«'Cradle Will Rock' Will Continue Run». The New York Times, 20-06-1937 [Consulta: 27 desembre 2017].
Atkinson, Brooks."Blitzstein's 'Cradle Will Rock,' Vivid Proletarian Drama, Revived at Mansfield" The New York Times (abstract), December 27, 1947, p. 11
Funke, Lewis.Cradle Will Rock' Is at Theater Four" The New York Times (abstract), November 9, 1964, p.40
Leiter, Robert."A New Look At The 'Cradle' That Rocked Broadway", The New York Times (abstract), May 1, 1983
Taubman, Howard."Radical '30's Recalled In 'Cradle Will Rock Plantilla:'", The New York Times (abstract), February 21, 1960

oberlin.edu (Global: low place; Catalan: 8,892^nd place)

"Oberlin Summer Theater Festival Listing, The Cradle Will Rock'" Arxivat 2012-08-27 a Wayback Machine. oberlin.edu, accessed August 6, 2012

olivierawards.com (Global: low place; Catalan: 9,512^th place)

"Olivier Winners 1985" Arxivat 2012-04-19 a Wayback Machine., olivierawards.com, accessed March 8, 2011

playbill.com (Global: 217^th place; Catalan: 272^nd place)

"LuPone Reprises Role in Cradle Will Rock", playbill.com, accessed October 20, 2015

web.archive.org (Global: 1^st place; Catalan: 1^st place)

"'The Cradle Will Rock' Listing, 1964" Arxivat 2015-10-19 a Wayback Machine. Internet Off-Broadway Database, accessed March 8, 2011
"'The Cradle Will Rock' Listing" Arxivat 2015-06-20 a Wayback Machine. Internet Off-Broadway Database listing, accessed March 8, 2011
"Olivier Winners 1985" Arxivat 2012-04-19 a Wayback Machine., olivierawards.com, accessed March 8, 2011
"Oberlin Summer Theater Festival Listing, The Cradle Will Rock'" Arxivat 2012-08-27 a Wayback Machine. oberlin.edu, accessed August 6, 2012
Rosenbaum, Jonathan. «Afterword to The Cradle Will Rock, a screenplay by Orson Welles». jonathanrosenbaum.net, 17-06-1994. Arxivat de l'original el 2017-12-21. [Consulta: 27 desembre 2017].

The cradle will rock (Catalan Wikipedia)

archive.org (Global: 6th place; Catalan: 15th place)

arcolatheatre.com (Global: low place; Catalan: low place)

books.google.cat (Global: 516th place; Catalan: 3rd place)

broadwayworld.com (Global: 448th place; Catalan: 569th place)

chicagotribune.com (Global: 143rd place; Catalan: 433rd place)

clevescene.com (Global: low place; Catalan: low place)

guidetomusicaltheatre.com (Global: low place; Catalan: low place)

ibdb.com (Global: 411th place; Catalan: 1,080th place)

infoplease.com (Global: 3,121st place; Catalan: 1,778th place)

jonathanrosenbaum.net (Global: low place; Catalan: low place)

lortel.org (Global: 6,747th place; Catalan: 8,011th place)

nytimes.com (Global: 7th place; Catalan: 14th place)

oberlin.edu (Global: low place; Catalan: 8,892nd place)

olivierawards.com (Global: low place; Catalan: 9,512th place)

playbill.com (Global: 217th place; Catalan: 272nd place)

web.archive.org (Global: 1st place; Catalan: 1st place)

archive.org (Global: 6^th place; Catalan: 15^th place)

books.google.cat (Global: 516^th place; Catalan: 3^rd place)

broadwayworld.com (Global: 448^th place; Catalan: 569^th place)

chicagotribune.com (Global: 143^rd place; Catalan: 433^rd place)

ibdb.com (Global: 411^th place; Catalan: 1,080^th place)

infoplease.com (Global: 3,121^st place; Catalan: 1,778^th place)

lortel.org (Global: 6,747^th place; Catalan: 8,011^th place)

nytimes.com (Global: 7^th place; Catalan: 14^th place)

oberlin.edu (Global: low place; Catalan: 8,892^nd place)

olivierawards.com (Global: low place; Catalan: 9,512^th place)

playbill.com (Global: 217^th place; Catalan: 272^nd place)

web.archive.org (Global: 1^st place; Catalan: 1^st place)