... Early in the mission, the Chandra Data Archive started the development of a bibliography database, tracking publications in refereed journals and on-line conference proceedings that are based on Chandra observations, allowing our users to link directly to articles in the ADS from our archive, and to link to the relevant data in the archive from the ADS entries. ... To this end we have expanded our database to 10 tables: . ... Table 1 provides some statistics on our database as of ADASS XIII. ...