leaves= one side
pages= two sides
Subject Headings: authorities.loc.gov : maximum of 6, really 3-4: Be specific, full with records.
Subdivisions:
1. Topical go in subfield X
2. Geographic go in subfield Z: Maximum of 2, and for U.S. and Canada use state then city, every other country is country then city.
3. Chronological go in subfield Y
4. Form go in subfield V: What it IS (statistics, index bibliography)
LoC Classification
http://www.loc.gov/catdir/cpso/lcco/
Photography is TR: this goes in 050 subfield a. The call# matches the first subject heading.
050 $aTR147$b.H33 2008
$aTR147$b.G76 2008