William Oscar Scroggs, 1911 Encyclopædia Britannica, Volume 28… (1911)
“ On the 4th of May 1855, with fifty-six followers, Walker again sailed from San Francisco, this time for Nicaragua, where he had been invited by one of the belligerent factions to come to its aid. In October Walker seized a steamer on Lake Nicaragua belonging to the Accessory Transit Company, a corporation of Americans engaged in transporting freight and passengers across the isthmus, and was thus enabled to surprise and capture Granada, the capital and the stronghold of his opponents, and to make himself master of Nicaragua. ”
