The Beatles in Hamburg (English Wikipedia)

Koch, Dorit (11 September 2008). "Hamburg Gets Its Official Beatles Memorial at Last". eFluxMedia. Archived from the original on 10 November 2009. Retrieved 15 May 2009.

eskimo.com

Best and "Peppermint Twist" Archived 28 January 1999 at the Wayback Machine eskimo.com - Retrieved 26 November 2007

Krasker, Eric. "The Beatles - Investigation of a Myth 1960 - 1962". Beatles Ireland. Retrieved 15 May 2009.

Vallance, Jim. "John Lennon's Hamburg Work Permits". Jim Vallance. Retrieved 21 May 2009.

Sutcliffe's cheque book - Archived 8 June 2011 at the Wayback Machine liverpoolmuseums.org.uk - Retrieved: 13 May 2007

McCartney, Paul. "A Little Bare". Bill Harry/Mersey Beat Ltd. Archived from the original on 3 March 2016. Retrieved 10 June 2009.
"The Birth of Mersey Beat (p5)". Bill Harry/Mersey Beat Ltd. Retrieved 12 June 2009.

Bill Harry (20 August 1999). "Issue No.7". Merseybeat. Retrieved 15 August 2008.

Turner, Dominic (15 February 2006). "John Lennon (By Dominic Turner)". Dik de Heer. Retrieved 15 May 2009.

Crossland, David (15 February 2006). "Hamburg's Heady Days of Rock & Roll". Der Spiegel. Retrieved 14 May 2009.

"Timeline...The Beatles in Hamburg". tripod. Archived from the original on 17 July 2011. Retrieved 14 May 2009.
"The Beatles and Preludin". tripod. Archived from the original on 17 July 2011. Retrieved 14 May 2009.

Harry, Bill. "In the Beginning... There Was Howie Casie & The Seniors (p1)". Triumph PC. Retrieved 25 May 2009.
Harry, Bill. "While My Guitar Gently Weeps: The Tragic Story of Rory Storm & the Hurricanes (page 4)". Bill Harry. Retrieved 29 February 2008.
My Beatle Days, by Pete Best triumphpc.com - Retrieved 26 November 2007
"Beatles at the Indra (page 3)". Bill Harry/Mersey Beat Ltd. Retrieved 10 June 2009.
Hart, Mike. "Hamburg 2 (p1)". Triumph PC. Retrieved 25 May 2009.
Harry, Bill. "In the Beginning... There Was Howie Casie & The Seniors (p3)". Triumph PC. Retrieved 25 May 2009.
Harry, Bill (20 August 1999). "A Man called Horst". Triumph pc. Retrieved 12 October 2008.
Jefferson, Mal. "Hamburg 3". Triumph PC. Retrieved 25 May 2009.
"Beatles Browser Four (p3)". Bill Harry/Mersey Beat Ltd. Retrieved 4 July 2009.
First meeting with George Harrison - Merseybeat triumphpc.com - Retrieved 11 February 2007
Best, Pete. "My Beatle Days". Triumph PC. Retrieved 25 May 2009.

"Timeline...The Beatles in Hamburg". tripod. Archived from the original on 17 July 2011. Retrieved 14 May 2009.
McCartney, Paul. "A Little Bare". Bill Harry/Mersey Beat Ltd. Archived from the original on 3 March 2016. Retrieved 10 June 2009.
Best and "Peppermint Twist" Archived 28 January 1999 at the Wayback Machine eskimo.com - Retrieved 26 November 2007
Sutcliffe's cheque book - Archived 8 June 2011 at the Wayback Machine liverpoolmuseums.org.uk - Retrieved: 13 May 2007
King, Pierce (7 January 2009). "John Lennon fled Hamburg brothel reveals old Liverpool rival". Click Creative. Archived from the original on 10 July 2015. Retrieved 21 May 2009.
"The Beatles and Preludin". tripod. Archived from the original on 17 July 2011. Retrieved 14 May 2009.
"The Beatles in Hamburg: 1960-1962". about. Archived from the original on 15 September 2009. Retrieved 14 May 2009.
Koch, Dorit (11 September 2008). "Hamburg Gets Its Official Beatles Memorial at Last". eFluxMedia. Archived from the original on 10 November 2009. Retrieved 15 May 2009.