Sony provides manuals for its Handycams and camcorders online at Esupport.Sony.com, while independent websites like Retrevo.com and Camera.Manualsonline.com may offer a larger selection of manuals for older models. A Web search using the model number of the specific camera often yields a link to the owner's manual.
The aforementioned websites provide downloadable PDF files of user manuals for free. Original hard copies of these manuals may be harder to find, but sometimes become available for sale on auction or resale websites like eBay. At least one website, Manualsink.com, offers to print, bind and send user manuals to buyers for a fee.