Watchers
- cledvinaIndex Data
- crosswalkgenerator
- dlingley
- eemailme
- f-osorio
- jgrebenStanford University Libraries
- jhcloos
- jimfhahnUniversity of Pennsylvania
- jodiw01Library of Congress
- jweisman@ExLibrisGroup
- kefoWashington, DC
- kouralex
- LZ9999
- masaoUniversity of Tsukuba
- melanieWacker
- Min27
- morrisoch
- ntra00Library of Congress
- ori229
- pkiraly@gwdg
- pmgreenPrinceton University Library
- qhtongLibrary of Congress
- QPC-database
- raydAtLC
- reesetThe Ohio State University
- reversingentropy
- RichardWallisUnited Kingdom
- RichDijkTilburg
- schlawiner@leibniz-psychology
- sollbruchstellenFrankfurt (Main), Germany
- timathomYale University Library
- tmeehleibLibrary of Congress
- wafschneiderIndex Data (@indexdata)
- WolkensteinUniversity of Salzburg
- zenodotusYale University Library