Pressure Measurement in Vacuum SystemsJ. H. (John Henry) Leck · First published 1957 · Latest edition 2021Open the Tome
Voices in ConcertRollo Dilworth, Martha Lynne Gackle, Kari Gilbertson, Henry Leck, Michael O'Hern · First published 2016Open the Tome
Creating Artistry Through Movement and the Maturing Male VoiceHenry Leck, Randy Stenson · First published 2012Open the Tome
Total and Partial Pressure Measurement in Vacuum SystemsJohn Henry Leck · First published 2011Open the Tome
