I have most of his work on CD. But my son in law (raised in Philly) has a recording of everything he ever wrote. The early stuff is not so good. But, once he developed his particular sound, everything he wrote was catchy and memorable. I think that he was one of the best lyricists and tune and rythm meisters in the business. I often wonder where he’d be if he had lived longer. One of my favorites:
http://www.lyrics.com/workin-at-the-car-wash-blues-lyrics-jim-croce.html
He gives the impression that many of his songs are autobiographical. You feel that the stories really happened.