Egelmann, C. F. (1846). The United States almanac, for the year of our Lord 1847: ... Arranged after the system of the German calendars. ... Carefully calculated for the latitude and meridian of Philadelphia. Philadelphia: Published by Mentz & Rovoudt.

Egelmann, Charles Frederick. The United States Almanac, for the Year of Our Lord 1847: ... Arranged After the System of the German Calendars. ... Carefully Calculated for the Latitude and Meridian of Philadelphia. Philadelphia: Published by Mentz & Rovoudt, 1846.

Egelmann, Charles Frederick. The United States Almanac, for the Year of Our Lord 1847: ... Arranged After the System of the German Calendars. ... Carefully Calculated for the Latitude and Meridian of Philadelphia. Philadelphia: Published by Mentz & Rovoudt, 1846.