Kotlin ProgrammingMatthew Mathias, John Gallagher, David Greenhalgh, Josh Skeen · First published 2018Open the Tome
The pleistocene redemptionDan Gallagher, David Narvaez, Gene King · First published 1997Open the Tome
Geology of the Huahuaxtla mercury district, State of Guerrero, MexicoDavid Gallagher · First published 1948Open the Tome
Geology of the Cuarenta mercury district, State of Durango, MexicoDavid Gallagher · First published 1946Open the Tome
