Links
For everything to do with 78 RPM records:

Collectors Weekly (a comprehensive resource for collectors of antiques & memorabilia of all kinds)

Ted Staunton interviewed by The Ephemera Society of America:

Other 78 rpm label collections:


British: www.mgthomas.co.uk  also www.normanfield.com (link to ‘labels’ at foot of main page)




Stickers and stamps:

Record maintenance:

Dating of 78 rpm records:

Music clips, info on music and musicians



www.wesbryan.blogspot.com (1960s-era rock etc.)
78 rpm record auctions: 

Carlos Martín (Spain): www.carlosmb.com

Blues World (Joel Slotnikoff, U.S.A.): www.bluesworld.com
(also features many links to lots of other interesting stuff!)
Collections of 78 rpm records for sale: 

Martín Javier Gorosito (Argentina): www.discos-martin78rpm.com.ar
Other types of collections: 

Jukka Kettunen (Finland): www.kolumbus.fi/collector.kettunen
Other: 

For the World Day for Audiovisual Heritage, the National Library of Serbia has made a movie about 78 rpm sound restoration.
Acknowledgements

I would like to acknowledge and recommend the following professional discographers and authors for their indispensable references:

Steven C. Barr: The Almost Complete 78 RPM Dating Guide (II) (1992). Published and distributed by Yesterday Once Again, P.O. Box 6773, Huntington Beach, California 92615. Phone: (714) 963-2474

Allan Sutton and Kurt Nauck: American Record Labels and Companies: An Encyclopedia 1891 - 1943 (2000). Published by Mainspring Press, 9230 S. Buttonhill Ct., Highlands Ranch, Colorado 80126-4421. www.mainspringpress.com

Brian Rust: The American Record Label Book: from the 19th Century through 1942 (1978). Published by Brian Rust (out of print).