| Topic | Publication | Reference Pages |
|---|
| Groos | Footsteps Vol. XI (1994) | 26 |
| Groos | Footsteps Vol. XIV (1997) | 24 |
| Groos | Footsteps Vol. XVII (2000) | 25 |
| Groos | Footsteps Vol. XXIV (2007) | 17 |
| Groos | Footsteps Vol. XXVIII (2011) | 30 |
| Groos, Adele | Footsteps Vol. XV (1998) | 121 |
| Groos, Adele | Comal County 1880 Census | |
| Groos, Al | Footsteps Vol. VIII (1991) | 141 |
| Groos, Allan | Footsteps Vol. XV (1998) | 121 |
| Groos, Allan | Comal County 1880 Census | |
| Groos, August | Comal County 1880 Census | |
| Groos, August | Footsteps Vol. VIII (1991) | 61 |
| Groos, August | Footsteps Vol. IX (1992) | 7 |
| Groos, August | Footsteps Vol. XV (1998) | 121 |
| Groos, Bank | Footsteps Vol. XXVIII (2011) | 30 |
| Groos, C | Footsteps Vol. VIII (1991) | 107 |
| Groos, C A | Footsteps Vol. XI (1994) | 161 |
| Groos, C A | Footsteps Vol. XVI (1999) | 140, 141 |
| Groos, Carl Gustav | Footsteps Vol. XIV (1997) | 139 |
| Groos, Carl Wilhelm August | Footsteps Vol. IV (1987) | 98 |
| Groos, Caroline | Footsteps Vol. IV (1987) | 15 |
| Groos, Catharine | Footsteps Vol. IV (1987) | 24 |
| Groos, Charles | Footsteps Vol. XIII (1996) | 30 |
| Groos, Clara | The First Founders: Vol. II | 17 |
| Groos, Clara (1875-dec.) | The First Founders: Vol. II | 157 |
| Groos, Emma Maria | Footsteps Vol. VIII (1991) | 61 |
| Groos, F | Footsteps Vol. XIV (1997) | 139 |
| Groos, F & Co | Footsteps Vol. XII (1995) | 21 |
| Groos, F F | Footsteps Vol. XII (1995) | 38, 40, 41, 47 |
| Groos, F F?? | Footsteps Vol. XII (1995) | 93 |
| Groos, Family | Footsteps Vol. XXVIII (2011) | 30 |
| Groos, Franz | Footsteps Vol. XIV (1997) | 171 |
| Groos, Friedrich & Hulda | Footsteps Vol. XX (2003) | 125 |
| Groos, G | Footsteps Vol. VIII (1991) | 107 |
| Groos, G | Footsteps Vol. XVI (1999) | 138 |
| Groos, G F | Footsteps Vol. VII (1990) | 140, 142 |
| Groos, G F | Footsteps Vol. XII (1995) | 95 |
| Groos, G F | Footsteps Vol. XIV (1997) | 72 |
| Groos, George | Comal County 1880 Census | |
| Groos, George | Footsteps Vol. XV (1998) | 121 |
| Groos, Gustav Adolph Otto | Footsteps Vol. VI (1989) | 121 |
| Groos, Gustav F | Footsteps Vol. XIII (1996) | 30 |
| Groos, H | Footsteps Vol. XI (1994) | 105 |
| Groos, H? | Footsteps Vol. XV (1998) | 172 |
| Groos, Herman | Comal County 1880 Census | |
| Groos, Herman | Footsteps Vol. IV (1987) | 24 |
| Groos, Herman | Footsteps Vol. XV (1998) | 121 |
| Groos, Hermann | Footsteps Vol. I (1984) | 79 |
| Groos, Hermann | Footsteps Vol. V (1988) | 89 |
| Groos, Hermann | Footsteps Vol. XIII (1996) | 30 |
| Groos, Hermann L. (1850-dec.) | The First Founders: Vol. II | 17 |
| Groos, I J | Footsteps Vol. X (1993) | 134 |
| Groos, J | Footsteps Vol. VII (1990) | 91 |
| Groos, J | Footsteps Vol. XVI (1999) | 138 |
| Groos, J J | Footsteps Vol. V (1988) | 116, 148 |
| Groos, J J | Footsteps Vol. VII (1990) | 100, 101 |
| Groos, J J | Footsteps Vol. X (1993) | 144 |
| Groos, J J | Footsteps Vol. XI (1994) | 144 |
| Groos, J J | Footsteps Vol. XIII (1996) | 30 |
| Groos, J J | Footsteps Vol. XIV (1997) | 171 |
| Groos, J J | Footsteps Vol. XVI (1999) | 138, 139 |
| Groos, J J | Footsteps Vol. XXVIII (2011) | 47 |
| Groos, J J Or F F | Footsteps Vol. XII (1995) | 44 |
| Groos, Jacob | Footsteps Vol. IV (1987) | 24 |
| Groos, Joh J | Footsteps Vol. VI (1989) | 64 |
| Groos, Joh Jac | Footsteps Vol. VI (1989) | 121 |
| Groos, Joh Jac | Footsteps Vol. VII (1990) | 53 |
| Groos, Joh Jacob | Footsteps Vol. VII (1990) | 55, 89 |
| Groos, Johann | Footsteps Vol. IX (1992) | 7 |
| Groos, Johann Jacob | Footsteps Vol. I (1984) | 79 |
| Groos, Johann Jacob | Footsteps Vol. VIII (1991) | 12, 40, 61 |
| Groos, Johann Jacob | The First Founders: Vol. I | xi, 136, 143, 153, 225, 229, 230, 232, 233, 234 |
| Groos, John J. (Land Surveyor) | Footsteps Vols. XXX (2013) and Vol. XXXI (2014) | 107 |
| Groos, Josephine | Comal County 1890 Census | 43 |
| Groos, Katharine | Footsteps Vol. VIII (1991) | 65 |
| Groos, Katharine Mrs | Footsteps Vol. IX (1992) | 7 |
| Groos, Katherine | Footsteps Vol. I (1984) | 79 |
| Groos, Konard August | Footsteps Vol. IX (1992) | 7 |
| Groos, Ludwig Hermann | Footsteps Vol. VII (1990) | 55 |
| Groos, Maria | Comal County 1880 Census | |
| Groos, Maria | Footsteps Vol. XV (1998) | 121 |
| Groos, Mary Ellen Greebon | Footsteps Vol. XXI (2004) | 87 |
| Groos, Mrs | Footsteps Vol. VI (1989) | 65, 122 |
| Groos, Mrs | Footsteps Vol. VII (1990) | 113 |
| Groos, Ottilie | Comal County 1880 Census | |
| Groos, Ottilie | Footsteps Vol. XV (1998) | 121 |
| Groos, Otto | Footsteps Vol. I (1984) | 79 |
| Groos, Otto | Footsteps Vol. IV (1987) | 24 |
| Groos, Otto | Footsteps Vol. V (1988) | 124 |
| Groos, Otto | Footsteps Vol. XIII (1996) | 30 |
| Groos, Otto | Footsteps Vol. XIV (1997) | 139 |
| Groos, Pauline Margaretha | Footsteps Vol. VI (1989) | 64 |
| Groos, Philip August | Footsteps Vol. I (1984) | 69 |
