Dan Dietz was a Woodrow Wilson Fellow at the University of Virginia. He is the author of Off-Broadway Musicals, 1910-2007: Casts, Credits, Songs, Critical Reception and Performance Data of More Than 1,800 Shows (2010), which was selected as one of the outstanding reference sources of 2011 by the American Library Association. He is also the author of The Complete Book of 1920s Broadway Musicals (2019), The Complete Book of 1930s Broadway Musicals (2018), The Complete Book of 1940s Broadway Musicals (2015), The Complete Book of 1950s Broadway Musicals (2014), The Complete Book of 1960s Broadway Musicals (2014), The Complete Book of 1970s Broadway Musicals (2015), The Complete Book of 1980s Broadway Musicals (2016), The Complete Book of 1990s Broadway Musicals (2016), The Complete Book of 2000s Broadway Musicals (2017), and The Complete Book of 2010s Broadway Musicals (2020), all published by Rowman & Littlefield.