Krisi Santilla's Singer Sewing Machine Collection
- Reference site for Singer and Featherweight models, including FWF data and machine dating help.
- http://home.comcast.net/~pyecomber/

Featherweight Fanatics
- Site dedicated to the Singer Featherweight.
- http://www.featherweightfanatics.com/

Mey Museum
- Overview of the German based sewing machine museum, including information on chronological development.
- http://www.mey.de

Sewing Machines Past and Present.
- Enthusiast's site, including information on French pioneer Thimonnier.
- http://perso.orange.fr/buisson/

St. Anne's Virtual Sewing Machine Gallery.
- An enthusiast shares their collection of machines and related ephemera.
- http://www.sewitgoes.net

The Treadlers Village
- Standard treadle sewing machine catalogs and manuals from 1909, 1915. Includes sewing machine photos.
- http://www.thetreadlersvillage.com

Singer featherweight parts and supplies.
- Commercial site offering competitively priced parts and supplies for Singer Featherweights.
- http://www.221parts.com

IMCA Sewing Machine Museum.
- A brief introduction to the Dutch De Vlieger Collection.
- http://www.imca.net/museum/index.html

Antiques of a Mechanical Nature
- Commercial site dealing in sewing machines and other interesting mechanical bygones.
- http://www.patented-antiques.com/Sewing_Machines.htm

Sewantique.com
- Introducing the London Sewing Machine Museum, including photographs and admission details.
- http://www.sewantique.com/acatalog/wimsew_catalog_London_Sewing_Machine_Museum_79.html

Featherweights
- Singer Featherweight sales & service.
- http://www.mlode.com/~jhooton/index.htm

Lin & Dave's Vintage Sewing Machines.
- Enthusiast's site featuring photos of their collection.
- http://website.lineone.net/~lindave/index.htm

Vintage Sewing Machines
- Collector site which includes animations of different types of stitch formation.
- http://www.crazyweb.currantbun.com/vsm/vsmindex.html

Antique Sewing Machine Collector
- Online resource for enthusiasts of antique and collectable toy sewing machines.
- http://www.dincum.com

Gaileee's Singer Featherweight Resource Site
- Family collects and sells the Singer Featherweight Sewing Machines. Technical information about the 221 / 222 Singer sewing machine, and photographs of the portable sewing machine.
- http://www.gpbwebworks.com/fwinfo/