...The master returned from the war to find thefaithful slaves who had been the bulwark of this household inpossession of their freedom... 
Booker T. Washington 「The Future of the American Negro」
...For the slow-moving reptile the scales suffice, preserving it fromhurtful contacts, but playing hardly any part as a bulwark againstchanges of temperature...
Jean Henri Fabre Alexander Teixeira de Mattos 「The Glow-Worm and Other Beetles」
...The line of outer wall beingonce fixed as a defensive bulwark, there seems to have been but littlerestriction in the adjustment of the inner buildings to conform to theirregularities of the site...
Victor Mindeleff and Cosmos Mindeleff 「A Study of Pueblo Architecture: Tusayan and Cibola」
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