Later a lighter 12-pounder (the "small") and a rifled 12-pounder heavy howitzer were introduced.

The medium and heavy howitzers would establish a series of standing barrages further ahead of the infantry against known defensive systems.

Beyond an embankment, some big guns and heavy howitzers were hidden by a heap of piled-up snow.

Two heavy howitzers which the tractors hadn't been able to pull from the mire were loaded with shells of any caliber.

The Russians reacted, using at least two batteries of heavy howitzers.

Of the 250 heavy howitzers that existed on paper, only 227 could be found and of these 89 were out of action.

Early that morning, the Germans opened fire with their medium and heavy howitzers, which were all positioned near Lewedorp.

However, the stability of the siege mounting made it "the most accurate of heavy howitzers".

The Obice da 149/19 modello 37 was heavy howitzer.

The Obice da 210/22 modello 35 was a heavy howitzer.