www.apneateam.it/Fucili%20Storici.htm ......The Italian Collection of the Spearguns.

//rocknfish.com/Vintage.html ......The John Warren Collection of the Spearguns.

//skindivinghistory.com/gear/spearguns/vintage.html ......The Collection of the Spearguns. Provenance for the Vintage Speargun section is in the form of patents, advertisement, articles and other forms of documentation.

www.dive-zone.de/english/foto/spear/kubok.html ......Kremenchug " the Slavic cup " 2002 year

www.dive-zone.de/english/foto/spear/dnepr.html ......Dnieper River

www.ee.sunysb.edu/~kisin/dive/dive.html ......Mikhail Kisin (Rocky Point. Long Island. USA.)

www.stansdiving.com/spear_safety.htm ......Spear Safety

www.2xtreme.net/kbickel/2index.html ......Kurt R. Bickel

www.nobubblediving.com ......Dave Sutton

www.dapiran.it ......Giorgio Dapiran

www.diving-action.com ......International Freediving and Spearfishing News Magazine

//worldspearfishing.com ......Spearfishing Guide. Spearguns, spearfishing gear, spearfishing history, forums, live chat, and more at this spearfishing portal.