My Country Right or Left

Is this the first public critique of the one percent to explicitly use that construction?

3 June [1940]

From a letter from Lady Oxford to the Daily Telegraph, on the subject of war economies:

“Since most London houses are deserted there is little entertaining. …. in any case, most people have to part with their cooks and live in hotels.”

Apparently nothing will ever teach these people that the other 99% of the population exists. (344)

Ellipses in the original.