Digital Library tractatus logico-philosophicus (EN)
A stringent source of inspiration, in 2,237 punch cards total. — Brought to you by mass:werk Digital Library.
* The decimal numbers [identifications] assigned to the individual propositions indicate the logical importance of the propositions, the stress laid on them in my exposition. The propositions n.1, n.2, n.3, etc. are comments on proposition no. n; the propositions n.m1, n.m2, etc. are comments on proposition no. n.m; and so on.
[Trailing letters indicate continuation cards in their respective sequence order.]
Fun fact: You may actually scan these cards back to text at the the Virtual Card Read-Punch.
To learn more about how the typed labels came on top of the cards, have a look here.