Alfred Schirmer: Wörterbuch der deutschen Kaufmannssprache – auf geschichtlichen Grundlagen. De Gruyter, 2011, ISBN 978-3-11-085310-0, S.93 (eingeschränkte Vorschau in der Google-Buchsuche).
Gerhard Köbler: Deutsches Etymologisches Wörterbuch. 1995 (koeblergerhard.de [PDF; 191kB]).
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Adam Smith: An Inquiry Into the Nature and Causes of the Wealth of Nations. Hrsg.: Edwin Cannan. Volume 1. Methuen, London 1904, S.261 (libertyfund.org): „But when he possesses stock sufficient to maintain him for months or years, he naturally endeavours to derive a revenue from the greater part of it; reserving only so much for his immediate consumption as may maintain him till this revenue begins to come in. His whole stock, therefore, is distinguished into two parts. That part which, he expects, is to afford him this revenue, is called his capital. The other is that which supplies his immediate consumption; and which consists either, first, in that portion of his whole stock which was originally reserved for this purpose; or, secondly, in his revenue, from whatever source derived, as it gradually comes in; or, thirdly, in such things as had been purchased by either of these in former years, and which are not yet entirely consumed; such as a stock of clothes, household furniture, and the like. In one, or other, or all of these three articles, consists the stock which men commonly reserve for their own immediate consumption.“
Adam Smith: An Inquiry into the Nature and Causes of the Wealth of Nations. Hrsg.: Edwin Cannan. Volume 1. Methuen, London 1904, S.261–263 (libertyfund.org).
