"No one washes a rental car" (1991?, 1996)

[Bapopik at AOL.COM]

I'm going through THE QUOTE VERIFIER (2006).
...
Another 1882 "Please do not shoot the organist" is below, this time from  
Texas. I love this line.
...
"No one washes a rental car" seems to be from a union leader in 1996, but  
what is the 1991 Google Books cite?
...
...
...
(NEWSPAPERARCHIVE
3 October 1882, Atchison (KS) Globe, pg. ?, col. 5:
It is related that a Texas pastor posted the following notice in his  church: 
"Please do not shoot the organist; he is doing his best."
...
(Also Newark Daily Advocate, 16 November 1883)
...
...
...
(Google Groups)
    _Facilitator  Assessment - Summary_ 
(http://groups.google.com/group/misc.business.facilitators/browse_thread/thread/e0fd9ac638f92193/8cb2e9be9188e5b9?ln
k=st&q="ever+washes"&rnum=86&hl=en#8cb2e9be9188e5b9)   
... one thing when it's a  volunteer group and one thing when the=20 
participants are
primary  stockholders of a for-profit company.=20 Nobody ever washes  a 
rental ...   
_misc.business.facilitators_ 
(http://groups.google.com/group/misc.business.facilitators?lnk=sg&hl=en)  - Aug 27 1996, 11:01 am by Brock Vodden - 1 message 
- 1  author 
...
...
...
(Google Books)
_Quick Response Manufacturing - Page 494_ 
(http://books.google.com/books?vid=ISBN1563272016&id=Qk4_hHR0drUC&pg=PA494&lpg=PA494&dq="washes+a+rental+car"&ie=I
SO-8859-1&sig=t1brvOmedAIFLkLlXf2tmCmN08A) 
by Rajan Suri -  Business & Economics - 1999 - 544 pages
A union leader at United echoed the  sentiment, “No one washes a rental car.”
In other words, you take care  of what you own. In fact, while traditionally 
...
...
...
...
(Google Books)
_Selected Crime Issues: Prevention and Punishment : Hearings  Before the 
Subcommittee on Crime and..._ 
(http://books.google.com/books?vid=ISBN0160369878&id=Di2F27k4pDMC&pg=PA535&lpg=PA535&dq="washes+a+rental+car"&ie=ISO-8859-1) 
by United States. Congress. House. Committee on the Judiciary.  Subcommittee 
on Crime and Criminal Justice -  1991 - 927 pages
Page 535
No preview  available - _About this  Book_ 
(http://books.google.com/books?vid=ISBN0160369878&id=Di2F27k4pDMC&dq="washes+a+rental+car"&ie=ISO-8859-1) 

------------------------------------------------------------
The American Dialect Society - http://www.americandialect.org