![[CoOL]](/icons/sm_cool.gif){kind=icon}
URL: http://cool.conservation-us.org/don/fn/fn198.html
Timestamp: Thursday, 10-Mar-2011 17:22:26 PST
Retrieved: Tuesday, 22-May-2012 19:12:59 GMT
" Langwell, William Herbert. The conservation of books and documents. London. Pitman. 1957
URL: http://cool.conservation-us.org/don/fn/fn198.html
Timestamp: Thursday, 10-Mar-2011 17:22:26 PST
Retrieved: Tuesday, 22-May-2012 19:12:59 GMT