Search for: Title Author Subject Series LC Dewey that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Hydrofoil boats 9 Hydrofoils (Vessels) -- SEE: Hydrofoil boats 9 Hydrofracking -- SEE: Hydraulic fracturing 2 Hydrogels -- SEE: Colloids 2 Hydrogen. 15 SEE ALSO narrower term: Electrolytic hydrogen 2 SEE ALSO narrower term: Liquid hydrogen. 16 SEE ALSO narrower term: Synthesis gas 6 SEE ALSO narrower term: Water -- Electrolysis 3 Hydrogen 4. 1 Hydrogen -- Analysis 3 Hydrogen and Fuel Cells Program (U.S.) 2 Hydrogen and Fuel Cells Program (U.S.) -- Periodicals. 1 Hydrogen as fuel 91 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >