Some interesting interviews with a couple of collectors with a lot of 78's:
http://www.collectorsweekly.com/articles/an-interview-with-78-rpm-record-collector-gary-herzenstiel/
http://www.collectorsweekly.com/articles/guest-column-an-interview-with-78-rpm-record-collector-ted-staunton/
Ted Staunton's 78 label collection from 1900-1960:
http://www.tedstaunton.com/site.map/site.map.htm
http://www.collectorsweekly.com/articles/an-interview-with-78-rpm-record-collector-gary-herzenstiel/
http://www.collectorsweekly.com/articles/guest-column-an-interview-with-78-rpm-record-collector-ted-staunton/
Ted Staunton's 78 label collection from 1900-1960:
http://www.tedstaunton.com/site.map/site.map.htm