Bob Chaparro wrote:
"Mid-Century Boxcars & Boxcar Models
In case some of you have not seen this document from the Fox Valley Division of the NMRA:
http://www.foxvalleydivision.org/fvd2016/imagesfvd2016/clinicdata/Mid-Century%20Boxcars%20V2.pdf 

One lesson is apparent...have someone proofread your clinic!

Ben Hom