| Topic | Publication | Reference Pages |
|---|
| Kopplin | Footsteps Vol. XXII (2005) | 206, 209 |
| Kopplin, A | Footsteps Vol. XIV (1997) | 152 |
| Kopplin, Alb | Footsteps Vol. XIV (1997) | 153 |
| Kopplin, Alb | Footsteps Vol. XV (1998) | 62 |
| Kopplin, Albert | Comal County 1890 Census | 70 |
| Kopplin, Albert | Comal County 1910 Census | 67 |
| Kopplin, Albert | Comal County 1880 Census | |
| Kopplin, Albert | Schoolhouses in the Hills | 22 |
| Kopplin, Albert | Footsteps Vol. X (1993) | 43 |
| Kopplin, Albert | Footsteps Vol. XI (1994) | 82 |
| Kopplin, Albert | Footsteps Vol. XII (1995) | 95 |
| Kopplin, Albert | Footsteps Vol. XIV (1997) | 72, 156 |
| Kopplin, Albert | Footsteps Vol. XV (1998) | 65, 67, 129 |
| Kopplin, Albert | Footsteps Vol. XXII (2005) | 205 |
| Kopplin, Alwina (1871-1951) | The First Founders: Vol. II | 282 |
| Kopplin, Alwine | Comal County 1890 Census | 161 |
| Kopplin, Alwine | Comal County 1880 Census | |
| Kopplin, Alwine | Footsteps Vol. XXII (2005) | 134, 205 |
| Kopplin, Anna | Comal County 1910 Census | 259 |
| Kopplin, Anna | Comal County 1920 Census | 208 |
| Kopplin, Augusta Johanne | Comal County 1890 Census | 21 |
| Kopplin, Auguste | Footsteps Vol. XXII (2005) | 134, 205 |
| Kopplin, Bertha | Comal County 1880 Census | |
| Kopplin, Bertha | Comal County 1920 Census | 296 |
| Kopplin, C F | Footsteps Vol. XIV (1997) | 172 |
| Kopplin, Carl | Comal County 1880 Census | |
| Kopplin, Carl | Footsteps Vol. XIV (1997) | 157 |
| Kopplin, Carl | Footsteps Vol. XIX (2002) | 218 |
| Kopplin, Carl | Footsteps Vol. XX (2003) | 50 |
| Kopplin, Carl | Footsteps Vol. XXII (2005) | 205 |
| Kopplin, Carl & Karoline | Footsteps Vol. XXII (2005) | 205 |
| Kopplin, Carl F | Footsteps Vol. XXII (2005) | 111 |
| Kopplin, Carl Frederick | Comal County 1890 Census | 70 |
| Kopplin, Carl Friedrich | Footsteps Vol. XXII (2005) | 206 |
| Kopplin, Caroline | Comal County 1880 Census | |
| Kopplin, Cemetery | Footsteps Vol. XXVI (2009) | 30 |
| Kopplin, Cemetery | Footsteps Vol. XXII (2005) | 224, 226 |
| Kopplin, Cemetery | Footsteps Vol. XXII (2005) | 227 |
| Kopplin, Charles | Footsteps Vol. XIII (1996) | 31 |
| Kopplin, Dorothe Maske | Footsteps Vol. XXII (2005) | 205, 206 |
| Kopplin, Dorothea | Footsteps Vol. XXII (2005) | 220 |
| Kopplin, Dorothea Maske | Footsteps Vol. XXII (2005) | 205, 216 |
| Kopplin, Ella | Footsteps Vol. XIV (1997) | 66 |
| Kopplin, Ellen | Comal County 1920 Census | 297 |
| Kopplin, Elvera | Comal County 1920 Census | 297 |
| Kopplin, Em Hel Therese | Footsteps Vol. XXII (2005) | 218 |
| Kopplin, Emil | Comal County 1880 Census | |
| Kopplin, Emil | Comal County 1920 Census | 296 |
| Kopplin, Emma | Comal County 1880 Census | |
| Kopplin, Emma | Footsteps Vol. XXII (2005) | 205 |
| Kopplin, Emma Helen Theresa | Footsteps Vol. XXII (2005) | 214 |
| Kopplin, Emma Helene Therese | Footsteps Vol. XXVI (2009) | 30 |
| Kopplin, Emma Helene Therese | Footsteps Vol. XXII (2005) | 205 |
| Kopplin, Eugene | Comal County 1920 Census | 296 |
| Kopplin, F | Footsteps Vol. XI (1994) | 102 |
| Kopplin, Family | Footsteps Vol. XXII (2005) | 228 |
| Kopplin, Family cemeteries | Footsteps Vol. XXII (2005) | 205 |
| Kopplin, Farm | Footsteps Vol. XXII (2005) | 235 |
| Kopplin, Fred | Comal County 1920 Census | 208 |
| Kopplin, Frederich | Comal County 1910 Census | 259 |
| Kopplin, Frederick | Footsteps Vol. XXII (2005) | 111 |
| Kopplin, Fried | Footsteps Vol. X (1993) | 26 |
| Kopplin, Fried | Footsteps Vol. XV (1998) | 67, 68, 129, 131 |
| Kopplin, Friederick | Comal County 1880 Census | |
| Kopplin, Friedrich | Footsteps Vol. XXII (2005) | 205 |
| Kopplin, Friedrick | Comal County 1890 Census | 70 |
| Kopplin, H | Footsteps Vol. XI (1994) | 102 |
| Kopplin, Hedwig | Comal County 1910 Census | 257 |
| Kopplin, Helene | Comal County 1880 Census | |
| Kopplin, Herman | Comal County 1880 Census | |
| Kopplin, Hermann | Comal County 1880 Census | |
| Kopplin, Hermann | Footsteps Vol. XXII (2005) | 205, 206, 229, 231, 234, 237 |
| Kopplin, Hermann | Footsteps Vol. XXII (2005) | 233 |
| Kopplin, Hermann & Lina Franzen | Footsteps Vol. XXII (2005) | 231 |
| Kopplin, Hilda (1889-1965) | The First Founders: Vol. II | 271 |
| Kopplin, Hilmar | Comal County 1920 Census | 297 |
| Kopplin, Ida | Comal County 1890 Census | 70 |
| Kopplin, Ida Miss | Footsteps Vol. XI (1994) | 57 |
| Kopplin, Ida Miss | Footsteps Vol. XII (1995) | 9, 10 |
| Kopplin, Johanne (Auguste) | Footsteps Vol. XXI (2004) | 67 |
| Kopplin, Karl | Footsteps Vol. XXVI (2009) | 30 |
| Kopplin, Karl | Footsteps Vol. XXVII (2010) | 30 |
| Kopplin, Karl | Footsteps Vol. XXVIII (2011) | 45 |
| Kopplin, Karl | Footsteps Vol. XXIX (2012) | 106 |
| Kopplin, Karl | Footsteps Vol. XXII (2005) | 206, 231, 234 |
| Kopplin, Karl | Footsteps Vol. XXII (2005) | 232 |
| Kopplin, Karl & Caroline Bretzke | Footsteps Vol. XXII (2005) | 231 |
| Kopplin, Karoline | Footsteps Vol. XXII (2005) | 205 |
| Kopplin, Lena | Comal County 1890 Census | 52 |
| Kopplin, Lina | Footsteps Vol. XXII (2005) | 205 |
| Kopplin, Louis | Footsteps Vol. XII (1995) | 9 |
| Kopplin, Marie | Comal County 1880 Census | |
| Kopplin, Mary | Comal County 1910 Census | 67 |
| Kopplin, Melanie | Comal County 1910 Census | 257 |
| Kopplin, Otto | Footsteps Vol. XXII (2005) | 205 |
| Kopplin, Otto | Comal County 1890 Census | 70 |
| Kopplin, Otto | Comal County 1880 Census | |
| Kopplin, Otto | Footsteps Vol. XIV (1997) | 80, 157 |
| Kopplin, Pearl | Comal County 1920 Census | 296 |
| Kopplin, R U | Footsteps Vol. XI (1994) | 6 |
| Kopplin, R W | Footsteps Vol. XI (1994) | 57, 62 |
| Kopplin, Robert | Comal County 1890 Census | 70 |
| Kopplin, Robert | Comal County 1910 Census | 257 |
| Kopplin, Thelka | Footsteps Vol. XI (1994) | 59 |
| Kopplin, Tombstone Epitaphs | Footsteps Vol. XXII (2005) | 231 |
| Kopplin, Wilhelm | Footsteps Vol. XXII (2005) | 205 |
| Kopplin, Wilhelm | Footsteps Vol. XVI (1999) | 239 |
| Kopplin, Wilhelmine | Footsteps Vol. XXII (2005) | 205 |
| Kopplin, William | Comal County 1880 Census | |
| Kopplin, Willie | Comal County 1920 Census | 297 |
