One of the key pieces of information for print run calculations is the layout and structure of the uncut sheets of each set. Luckily most of the original sets have had the layout of their sheets documented, with a few notable exceptions. This article will provide photos of the known uncut sheets and go into more detail on what sheets are still unknown.
This information relies heavily on magiclibrarities.net from which almost all of these photos have been taken. For more detailed information, and for more uncut sheets, please visit their page:
Alpha / Beta / Unlimited / CE / IE
Alpha, Beta, Unlimited, Collectors Edition, and International Edition all have identical sheet layouts. The caveat being that the Alpha sheet is missing Volcanic Island, Circle of Protection Black, Island (C), Swamp (C), Forest (C), Mountain (C), and Plains (C). Instead on the Alpha sheets these cards are replaced by basic lands.
Below are the layouts of uncut Collector Edition sheets.
There are no surviving Arabian Nights sheets that are available for reference. There is an unsubstantiated rumor that there is a sheet somewhere at Carta Mundi headquarters in Europe. There is also a Redditor who claims to have used misprinted Arabian Nights cards to reverse engineer the layout of the sheet.