| Topic | Publication | Reference Pages |
|---|
| Burkhardt | Footsteps Vol. VIII (1991) | 48 |
| Burkhardt, A B | Footsteps Vol. XXVIII (2011) | 86 |
| Burkhardt, Alfred | Footsteps Vol. XIX (2002) | 281 |
| Burkhardt, Alfred | Comal County 1890 Census | 16 |
| Burkhardt, Alfred | Comal County 1910 Census | 214 |
| Burkhardt, Alfred | Comal County 1920 Census | 210 |
| Burkhardt, Alfred (1883-1966) | The First Founders: Vol. II | 184 |
| Burkhardt, Alvina | Footsteps Vol. XIII (1996) | 69 |
| Burkhardt, Alvina | Comal County 1910 Census | 215 |
| Burkhardt, Alwine | Comal County 1890 Census | 156 |
| Burkhardt, Alwine | Comal County 1920 Census | 210 |
| Burkhardt, Alwine (1853-1931) | The First Founders: Vol. II | 264 |
| Burkhardt, Anna | Footsteps Vol. IV (1987) | 67 |
| Burkhardt, Anna | Comal County 1890 Census | 15 |
| Burkhardt, Anna | Comal County 1910 Census | 157 |
| Burkhardt, Anna | Comal County 1880 Census | |
| Burkhardt, August | Footsteps Vol. XXI (2004) | 66 |
| Burkhardt, Augusta | Comal County 1910 Census | 157 |
| Burkhardt, Auguste | Comal County 1890 Census | 15 |
| Burkhardt, Auguste | Comal County 1920 Census | 265 |
| Burkhardt, B ? | Footsteps Vol. XVII (2000) | 38 |
| Burkhardt, Bruno | Footsteps Vol. XV (1998) | 128 |
| Burkhardt, Bruno | Comal County 1890 Census | 15 |
| Burkhardt, Bruno | Comal County 1910 Census | 157 |
| Burkhardt, Bruno | Comal County 1880 Census | |
| Burkhardt, Caroline (1848-dec.) | The First Founders: Vol. II | 28 |
| Burkhardt, Edgar | Footsteps Vol. IV (1987) | 164 |
| Burkhardt, Edgar | Footsteps Vol. V (1988) | 1, 2 |
| Burkhardt, Edgar | Footsteps Vol. XXVIII (2011) | 86 |
| Burkhardt, Edgar | Comal County 1910 Census | 215 |
| Burkhardt, Edgar | Comal County 1920 Census | 210 |
| Burkhardt, Edgar & Edna | Footsteps Vol. XIII (1996) | 97, 98 |
| Burkhardt, Edgar & Edna | Footsteps Vol. XVI (1999) | 28, 29 |
| Burkhardt, Edgar (b. 1909) | The First Founders: Vol. II | 184 |
| Burkhardt, Edna | Footsteps Vol. IV (1987) | 164 |
| Burkhardt, Edna | Footsteps Vol. V (1988) | 1, 2 |
| Burkhardt, Edwin | Comal County 1920 Census | 210 |
| Burkhardt, Edwin | Comal County 1920 Census | 265 |
| Burkhardt, Emeline | Comal County 1880 Census | |
| Burkhardt, Emil | Footsteps Vol. IV (1987) | 164, 165 |
| Burkhardt, Emil | Footsteps Vol. XV (1998) | 172 |
| Burkhardt, Emil | Comal County 1890 Census | 15 |
| Burkhardt, Emil | Comal County 1910 Census | 218 |
| Burkhardt, Emil | Comal County 1880 Census | |
| Burkhardt, Emil | Comal County 1920 Census | 210 |
| Burkhardt, Emil Frau | Footsteps Vol. XXIV (2007) | 42 |
| Burkhardt, Emma | Comal County 1910 Census | 157 |
| Burkhardt, Erwin | Footsteps Vol. IV (1987) | 165 |
| Burkhardt, Erwin (1912-1984) | The First Founders: Vol. II | 184 |
| Burkhardt, Frederick (1849-dec.) | The First Founders: Vol. II | 28 |
| Burkhardt, Fritz | Comal County 1910 Census | 157 |
| Burkhardt, G | Footsteps Vol. IX (1992) | 162 |
| Burkhardt, G | Footsteps Vol. XVII (2000) | 38 |
| Burkhardt, Georg | Footsteps Vol. IV (1987) | 66 |
| Burkhardt, Georg | Footsteps Vol. VIII (1991) | 41 |
| Burkhardt, Georg | Footsteps Vol. XIII (1996) | 69 |
| Burkhardt, Georg | Footsteps Vol. XIV (1997) | 171 |
| Burkhardt, George | Footsteps Vol. XIII (1996) | 28 |
| Burkhardt, George | Footsteps Vol. XVI (1999) | 165 |
| Burkhardt, George | Comal County 1890 Census | 15 |
| Burkhardt, George | Comal County 1880 Census | |
| Burkhardt, Gilbert | Comal County 1920 Census | 210 |
| Burkhardt, Gilbert | Footsteps Vol. IV (1987) | 165 |
| Burkhardt, Gilbert (1917-1992) | The First Founders: Vol. II | 184 |
| Burkhardt, Gilbert H | Footsteps Vol. XXVI (2009) | 103 |
| Burkhardt, Hedwig | Comal County 1910 Census | 157 |
| Burkhardt, Heinrich | Footsteps Vol. VI (1989) | 11 |
| Burkhardt, Heinrick | Footsteps Vol. VIII (1991) | 16 |
| Burkhardt, Henry | Footsteps Vol. IX (1992) | 45 |
| Burkhardt, Henry | Footsteps Vol. X (1993) | 2 |
| Burkhardt, Herman (1896-1965) | The First Founders: Vol. II | 96 |
| Burkhardt, Hermann | Comal County 1910 Census | 157 |
| Burkhardt, Hermine | Comal County 1890 Census | 16 |
| Burkhardt, Hermine | Comal County 1880 Census | |
| Burkhardt, Ida Schaefer | Footsteps Vol. XXVI (2009) | 103 |
| Burkhardt, Ivan | Comal County 1920 Census | 264 |
| Burkhardt, Ivan | Footsteps Vol. XI (1994) | 150 |
| Burkhardt, Ivan | Footsteps Vol. XV (1998) | 64 |
| Burkhardt, Ivan | Footsteps Vol. XVII (2000) | 38 |
| Burkhardt, Ivan | Comal County 1890 Census | 15 |
| Burkhardt, Ivan | Comal County 1880 Census | |
| Burkhardt, Iwan | Footsteps Vol. XV (1998) | 66, 132 |
| Burkhardt, Johann Heinrich | Footsteps Vol. VIII (1991) | 106 |
| Burkhardt, Johann Heinrich | The First Founders: Vol. I | 61, 107, 118, 124, 130, 214; family and biography 319 |
| Burkhardt, Johann Heinrich (1813-dec.) | The First Founders: Vol. II | 28 |
| Burkhardt, Johann Jacob (1845-dec.) | The First Founders: Vol. II | 28 |
| Burkhardt, Lina | Comal County 1890 Census | 98 |
| Burkhardt, Lina | Comal County 1880 Census | |
| Burkhardt, Linnna | Footsteps Vol. XVII (2000) | 38 |
| Burkhardt, Maria | Footsteps Vol. VI (1989) | 13 |
| Burkhardt, Maria (1813-dec.) | The First Founders: Vol. II | 127 |
| Burkhardt, Maria (Mertz) | The First Founders: Vol. I | 59, 110, 120, 129 |
| Burkhardt, Mary (1847-dec.) | The First Founders: Vol. II | 28 |
| Burkhardt, Minna | Comal County 1920 Census | 265 |
| Burkhardt, Mrs | Footsteps Vol. VII (1990) | 106 |
| Burkhardt, Nelda | Footsteps Vol. XVIII (2001) | 162 |
| Burkhardt, Paul | Footsteps Vol. IV (1987) | 55, 66 |
| Burkhardt, Paul | Comal County 1890 Census | 15 |
| Burkhardt, Paul | Comal County 1910 Census | 26 |
| Burkhardt, Roland (1924-1983) | The First Founders: Vol. II | 96 |
| Burkhardt, Sophia | Comal County 1880 Census | |
| Burkhardt, Sophie | Comal County 1920 Census | 210 |
| Burkhardt, Sophie | Comal County 1910 Census | 218 |
| Burkhardt, Tusnelda | Comal County 1920 Census | 265 |
| Burkhardt, Viola | Comal County 1920 Census | 265 |
| Burkhardt, William | Comal County 1890 Census | 16 |
| Burkhardt, William (1850-dec.) | The First Founders: Vol. II | 28 |
| Burkhardt, Willie | Footsteps Vol. XIX (2002) | 281 |
| Burkhardt, Willie | Footsteps Vol. XXIV (2007) | 42 |
| Burkhardt, Willie | Comal County 1910 Census | 218 |
