1 + 400-1600
3 + authors
5 + authorship
2 + bibliographical
1 + bibliography
2 + books
1 + cartography
1 + census
2 + citations
1 + commons
1 + commons@penn
6 + communication
1 + communications
1 + communities,
1 + copyleft
4 + copyright
2 + courses
3 + curriculum
1 + database
1 + demography
1 + e-publishing
8 + ethics
1 + for
1 + geographic
3 + grammar
8 + guides
7 + help
8 + information
2 + instruction
8 + learning
1 + libraries
4 + library
2 + licensing
5 + management
1 + of
2 + organization
2 + papers
1 + ph.d.
2 + plagiarism
1 + population
3 + publishing
5 + references
1 + religious
10 + research
2 + reserve
1 + resource
3 + rights
1 + software
1 + spatial
2 + statistics
1 + study
7 + support
8 + teaching
1 + the
8 + tools
2 + training
1 + women's
9 + writing