Convert vinyl to digital:
http://www.digitaltrends.com/home-theater/digitizing-your-record-collection/
The Best USB Turntables of 2016 | Top Ten Reviews
Or:
"How To Transfer Vinyl Records to Digital using audacity - no usb turntable required!"
http://www.youtube.com/watch?v=ZYGs3VzgWpk
(Buy a used record player and upgrade needle if necessary.)
Any used record store will buy them in bulk.