Clément Juglar,
A Brief History of Panics and Their Periodical Occurrence in the United States
“ As in Brussels and in the United States in 1837-1839 and in England in 1864-1866, large houses and powerful institutions of credit had maintained a whole scaffolding of speculation which was already out of plumb, but still able to stand upright through the general effect of the parts which connected them, and in this unstable equilibrium it sufficed for a single one to detach itself in order to overthrow the whole edifice at a juncture at which it was hoped it would continue to stand and even grow stronger. ”
