... "Sorrow treads on the footsteps of the nation's joy... 
William Still 「The Underground Railroad」
...They bring bits of timber, which they throw into thepitfall, the captive treads them down until he is elevated to aposition whence he can escape from his prison...
Nathaniel Southgate Shaler 「Domesticated Animals」
...Time and again the sportsmanall but treads on one, which is betrayedonly by its large bright eye...
Frederick G. Aflalo 「Birds in the Calendar」
...Then the roar of engines, of metal treads crushing upon earth andclinking upon their joints, drowned out all possible other sounds...
Victor Rousseau 「Astounding Stories of Super-Science January 1930」
...Yells reverberated deafeningly inside the steel walls, already filledwith tumult from the running motors and rumbling treads...
Victor Rousseau 「Astounding Stories of Super-Science January 1930」
...The monster Mercutian wascoming heavily up the treads...
Nat Schachner 「Slaves of Mercury」
...It was as high as a four-story house, and it was two hundred feet long,and forty feet wide at the treads with the monstrous gun-bulges reachingout an extra ten or fifteen feet on either side above...
Murray Leinster 「Morale」
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