I'd go for either the JC Higgins or the Carlton, assuming one or the othe fits ya. The Carlton's probably the best quality of the bunch, but most $$$ too. The Higgins'd be fun just for the name, it's got some decent-ish stuff on it (and some zoot pinstriping too), and you could probly get enuf for the Campy shifty bits to finance a fixie conversion. The Crescent appears to have a bent fork, and from the pic, I'd say it's NOT a Vitus-tubed bike: it's got a one-piece (ala Schwinn Varsity) crank, and the bikes that had those were made from the finest Swedish sewer pipe. Western Flyer? Forget it.

SP
Bend, OR