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The Information Landscape
Library catalogs vs.Periodical Indexes
Uniform vs Idiosyncratic
Cooperative vs. Competitive
Free vs. Costly
Citation vs. Fulltext
A blurring boundary
Database producers (e.g ATLA) vs. Database vendors (e.g. Ebsco)
Periodical indexes (e.g. ATLA) vs. Journal storage systems (e.g. JSTOR, EJS)
Databases of primary source materials (e.g. TLG, MGH, Early American Newspapers)
Protestant vs. Catholic (ATLA vs. CPLI)
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