Here are some interesting articles from around the net:
 

Loetz 1: From A to F

https://sites.google.com/site/loetzandglass/loetz-from-a-to-f 

Interview with Eddy Scheepers:

http://www.collectorsweekly.com/articles/an-interview-with-loetz-art-glass-collector-eddy-scheepers/ 

On UV Reactive Glass:

http://www.glassassociation.co.uk/sites/default/files/Uranium_Glass_sample_article.pdf 

Antique Loetz Art Glass from Collectors Weekly: 

http://www.collectorsweekly.com/art-glass/loetz

Great article on buying and selling:

http://reviews.ebay.ca/Loetz-Kralik-Rindskopf-and-Other-Bohemian-Glass?ugid=10000000012754175