This from Mark Warner <[log in to unmask]>

>Dan
>I couldn't post this to histarch for some reason or another so I thought
>I'd send this
>ref. to you off-list.
>
>If you want to look into meatpacking byproducts I would suggest
>taking a look at the following book
>
>Clemen, Rudolf A.
>1927 By-Products in the Packing Industry. The University of Chicago
>Press, Chicago.
>
>  its a huge book  (approx 600 pages) covering more about the uses
>of meatpacking leftovers than you ever want to know.  Note the
>emphasis is on commercial meatpacking, not butchering on the
>family farm.
>    It is also kind of a follow up to his 1923 text "Meat Retailing"
>(which was a mere 800 pages!).
>
>Mark Warner
>U. of Idaho