As you know, the letter n is used to mean an unspecified variable, but if you wish to write "A to n" (like "A to Z," but to mean "A to anything") then the letter N would be misleading (as it might be taken to indicate the exact range between the letters A and N), so this is how to do it, as revealed in A Little Spasm at the Home of Wolfgang Mozart. Being a Sketch Printed from What Is (Supposedly) the Original Manuscript of the Little Journey to Mozart, 1901.

"I can't emphasize too strongly the need for a good breakfast," she said as skeletons looked on.  From Hunter College's Wistarion yearbook, 1958.  See How to Hoodoo Hack a Yearbook.

Here's a fox and a Bostonian stone tablet, from St. Nicholas magazine, 1877.

From St. Nicholas magazine, 1903.

Here's a precursor to billboard pollution, from The Chsite yearbook of Carey High School, 1920.  The text reads, "Stop – Look – Listen.  This road will take you thru the ads."  (For some unbelievably weird yearbook imagery, see our How to Hoodoo Hack a Yearbook.)

"Still on we rush, faster and faster as we are drawn towards the chasm, like a needle towards a magnet," from The Mountain Kingdom by David Lawson Johnstone, 1888.

Shoelaces go through "eyelets," and here's the connection, from an ad in Post Office Edinburgh and Leith Directory, 1846.

Drifting toward danger, from St. Nicholas magazine, 1898.

"I thank you for these flattering and audible testimonies in my favour," from Paul Clifford by Baron Lytton, 1883.

From Works of Charles Dickens, New Illustrated Library Edition.

"The dragon of the south," from The Dragon of the North by E. J. Oswald, 1888.

From Belle and the Dragon by Arthur Edward Waite, 1894.