A Hammond Organ Place: Dedicated to the "lesser" Hammond tonewheel generator models H-100 and X-77.
B3 Organs with Leslie Speakers for Sale: Many restoration photographs of the insides of Hammond B3 Tone Wheel Organs.
BT Productions: Offers a range of products related to the Hammond organ, including instructional videos, Leslie speakers, and custom accessories.
Hammond as in Organ: Online book about Laurens Hammond, written in 1965 by Stuyvesant Barry.
Hammond Organ Center: Service, restoration and sales of vintage Hammond Organs and Leslie Speakers. Also feature TrekII products. Woodlyn, Pennsylvania.
Hammond Organ Zone: UK site with information about virtual museum, current products; downloads, artists' pages.
Hammond Organs: Many unique photos and facts about Hammond organs; links to many other Hammond sites.
HammondWiki: An attempt to catalog all things related to the Hammond organ.
International Archives for the Jazz Organ: Germany-based site for jazz organ players, recordings, and live performances. Links, some content in German.
Jazz From Lincoln Center - Jammin on the Hammond: On a Hammond B-3 organ Joey Defrancesco and Jimmy McGriff perform in Alice Tully Hall, fueled by the saxophones of James Carter, Houston Person, the guitar of John Abercrombie and drummer Idris Muhammad. [58:00 streaming audio broadcast]
Murphy, Jerome Stetson: Personal page devoted to Hammond B-3 Organ.
Nooksack River Jammin' on the Hammond Music Festival: Live music from six Northwest bands, all featuring the mighty Hammond (B3) organ. September 11th, 2004.
NPR : 'Too Damn Hot': Lonnie Smith's Hammond B3: NPR's Tony Cox talks with organ master Dr. Lonnie Smith about art of the Hammond B3, his extensive music career and his latest CD, Too Damn Hot. [10:18 streaming audio broadcast]
NPR : A CD Tribute to the Hammond B3 Organ: Noah Adams talks with Jerimaya Grabher, producer of the CD Organized: An All-Star Tribute to the Hammond B-3 Organ. It's a collection of tunes played on various B-3 organs around the country, by 13 musicians. [8:03 streaming audio broadcast]
Olaf's Hammond Page: Photos of the exterior and interior of a Hammond organ, a 1960 Hammond C-3 (circa 1960) and a Leslie Speaker 122 taken as part of a revamping some internal circuitry.
Playing on electronic organ: Playing the Hammond organ, sheet music in JPEG format, drawbar registrations, chord charts and pictures.
TEA Labs: Manufacturers of the B-Free, a lightweight electromechanical tonewheel generator playable from any MIDI keyboard. Models and features, sound samples.
Tonewheel and Tone Cabinet Service Company: Hammond Organ and Leslie tone cabinet service, repair and replacement parts. Represents Johannus organs in Los Angeles.
Tonewheel General Hospital: Provides the Hammond age determination list.
Vintage Organs Online: Vintage Hammond organ stores in Atlanta, Georgia, and Houston, Texas. Seller of classic Hammond organs, manuals and parts.
Wikipedia - Hammond Organ: Article covering the background of this instrument.