Jean Wilde Clark, A Desk Book on the Etiquette of Social Stationery (1910)
“ The art of successful paper-making demands a uniform sheet. And not only uniformity in a single sheet, but each sheet should be exactly like another in texture, finish and color, so that envelopes, for instance, shall match the paper that goes with them. Absolutely White Paper But color is one of the most important things in selecting paper, and especially when that color is the color which is really absence of color—in other words, white. So many things pass as white that are not white, that few people realize what a real white is. Most whites have in them some color. ”
