I am looking for photos and/or drawings of B&O class M-14 ventilated boxcars for the purposes of modeling same.  I've not had much success with Google searches and I'm just not worldly enough to know what other resources might be available to me or how to access them.   Any and all assistance will be appreciated.

Sincere thanks and I hope to see some of you in person tomorrow in Chicagoland !

Brent

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Dr. J. Brent Greer