Competency - Successive Fraction WorldCat

I decided to go back to WorldCat for this search and to use only descriptor terms since they seem to turn up the best search results. First I looked through the thesaurus and found collection development was a descriptor term.

SS1 - collection development (su) - 2268 hits

Next I searched the thesaurus and saw elementary school libraries as a subject term.

SS2 - collection development (su) AND
elementary school libraries (su)

I got 28 hits. All of the records looked promising, but all except 2 were books. This isn't really a problem, but if the searcher needs the information immediately, or as many people in our class, live out of the country, this could be troublesome to them. There was even a book by our friend David Lankes listed here! I chose this record as my favorite: