Letters of reference, from my employer Mackey & Associates (now Mackey Mitchell Architects, in St. Louis), for time period August, 1983-March, 1984; Casco Corporation, for time period January, 1985-March, 1987; M.K. Ferguson Group, for time period August, 1994-February, 1995; Fru-Con Engineering, Inc., for time period July, 1995-June, 1996.

Cliff Parmer's letter is in this blog.

The other three are on my LinkedIn.com profile:  

https://www.linkedin.com/in/theresa-marie-bextermiller-r-a-m-f-a-b51a02136/