This bibliography provides a comprehensive overview of literature from the last 100 years on the subject of piano music (since around 1550) in German, English, French, and Italian. It includes independent writings, journal articles, contributions to collected works, yearbooks, festschrifts, and conference reports, as well as dissertations. The first part lists literature related to individual composers. Extensive chapters are organized by groups of works and individual pieces. The second part records literature on piano music from specific time periods, countries, and other keywords.