24.4.1934: Laurens Hammond erfindet ein elektrisches Musikinstrument - SWR2
File:US1956350A Electrical Musical Instrument (1934-01-19 filed, 1934-04-24 published) by Laurens Hammond - Hammond Organ.pdf - Wikimedia Commons
File:US2506451A Organ Console (1949-10-28 filed, 1950-05-02 published) by Laurens Hammond - Hammond M Fig.1.jpg - Wikimedia Commons
The forgotten genius of Laurens Hammond
The Hammond Story (IM Sep 75)
The Hammond Story - PianoOrganTradeCenter.com
Laurens Hammond – 120 Years of Electronic Music
Laurens Hammond & the Development of the Hammond Organ: Part I - BookerLAB
The Perlich Post: Happy Birthday Laurens Hammond!
Who Invented the Hammond Organ? -
Zum Geburtstag von Laurens Hammond: Eine Ode an die Hammond Orgel | ROCK ANTENNE
The Day The Music Died: Brian Jones, Jim Morrison, Mississippi Fred McDowell, Laurens Hammond, Ziggy Stardust And Mark Sandman - Magnet Magazine
Hammond B-3 MK2 Organ / C-3 MK2 Organ
Laurens Hammond - Simple English Wikipedia, the free encyclopedia
The forgotten genius of Laurens Hammond
Hammond Clock Company Bond handsigned by Laurens Hammond ( Hammond Organ Inventor) - Delaware 1936 - Scripophily.com | Collect Stocks and Bonds | Old Stock Certificates for Sale | Old Stock Research | RM Smythe
HAPPY BIRTHDAY LAURENS HAMMOND, IL PADRE DELL'ORGANO ELETTROFONICO - hashtagmagazine
Key Man: Laurens Hammond, Inventor Of The Hammond Organ
Laurens Hammond Dies at 78; Invented Electric Organ in 30's - The New York Times
