Is my ancient vinyl record collection have any value?

my hippie parents left me a ton of old vinyls,45s,33s some in original sleeves some not. I have stuff like Kansas,Forenigner,Some Steppenwolf,and alot of old compilation albums from K-tel,Gusto, MGM and other stuff like the saturday night fever albums,Patsy Cline,little river band,ozark mountian daredevils,the Shirelles,Conway Twitty and Cher some of these albums are from the 60s and 70s if they are of any value they are gone please respond if you have any serious info