↑By Patti S. Borda and Bethany Rodgers (09/07/12). "City grows by 552 acres". Archives. Frederick News Post. Diarsipkan dari asli tanggal 2013-01-20. Diakses tanggal 20 September 2012. ;
↑Diarsipkan 2013-01-20 di Wayback Machine.|work= Comprehensive Annual Financial Report|author=Department of Finance|publisher=City of Frederick, Maryland|page=87|accessdate=24 September 2012