...I've managed to work into the book:
UK:
AEB bomb thrower, Arbalest, Bombard Experimental Gun, Bombard, Hedgehog, Hedgerow, Water Hammer, Mustard Plaster, Baby Bombard, Jefferis Gun, Stewblack Projector, PIAT, Petard, Denny Gun. Buffalo, Clarke Family (Tree, Ground, and Gun).
US:
US Tree...