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I was writing a paper, and as a conclusion to a short section, I wanted to put "Life is a verb, not a noun".  Now, that sounds like something someone has probably said before, so I thought I would check, in case I needed to reference it.  I found the source as follows:

• I Google “Life is a verb, not a noun”.
• Lots of entries say it's by Charlotte Perkins Gilman, but none give a source (as usual)
• I Google “Charlotte Perkins Gilman wikiquote”
• I follow the link to http://en.wikiquote.org/wiki/Charlotte_Perkins_Gilman
• It’s not there
• I Google “Charlotte Perkins Gilman Life is a verb, not a noun”
• One of the entries this time looks more like like a source: I can see that it has a reference in it, to a (p. xv)
• I follow link to http://www.h-net.org/reviews/showrev.php?id=33118
• It’s a review by Cara L. Burnidge, of Charlotte Perkins Gilman: a biography, by Cynthia J. Davis, with a link to the book itself at Amazon.com
• I follow link to http://www.amazon.com/exec/obidos/ASIN/0804738890
• The Amazon page has a “look inside” version of the book, so I look to see if p.xv is included. It is, and has the quote, but no source. However, the same paragraph has several other quotes, and then an endnote reference 10.
• I look to see if endnote 10 is included in the “look inside” version. It is, on p.409, where it says “she calls 'life' a verb in HW, 203”, which sounds like it could be the source.
• I assume 203 is a page reference, and that HW is an abbreviation for the source. What is HW?
• I look to see if the abbreviations are included in the “look inside” version. They are; HW = Human Work
• I Google “Charlotte Perkins Gilman Human Work”
• There's a Google books version at http://books.google.co.uk/books/about/Human_work.html?id=IHoEAAAAYAAJ&redir_esc=y.
• I follow the link to the book; it’s not searchable.
• Back to Google Results page; there's another version at http://books.google.co.uk/books/about/Human_Work.html?id=y8Gif_Ni0L0C&redir_esc=y
• I follow the link to the book; this one is searchable.
• I search for “verb”; there are many hits; one is on p.203. And there it is:

• I go to the beginning of the book, and get the rest of the bibliographic details.

"Life is a verb, not a noun."
Charlotte Perkins Gilman, Human Work, p203. McClure, Philips and Co, 1904.

Elapsed time, less than 15 minutes.
Try that with a paper library!

Maybe I should add it to wikiquotes...