"The moon's veil is both her luster and her shade."  From Manual and Diagrams to Accompany Metcalf's Grammars, 1901.

Though Wikipedia dates the oath "Sakes alive" from the 1930s to the 1950s, here it is in 1918.  Sakes alive, Wikipedia!  From Doctor Rabbit and Ki-yi Coyote by Thomas Hinkle, 1918.

I'm not sure that calling otherworldly beings "macrobes" (opposite of "microbes") ever caught on.  From Tico Times (San Jose), via UFO Newsclipping Service, 1994.

You've spotted the problem with the affirmation: everything may or may not be okay ... but everything will be OK as in Oklahoma.  (Yes, we did a Google search for "Everything will be Oklahoma.")  (For 6thSensical.)

"Love (a beautiful four letter word)."  (We noticed several less-beautiful four-letter words hidden within those letters, too.  How many can you spot?  Also, did you notice that this alphanet has two e's and two v's?)  From B.A.R., 1971.

The Big U says, quoting the Howie interlude from Backstreet Boys' "I Want It That Way":

"You are (you are, you are, you are)."

The Big U is from Wid's Daily, 1919.

Here's the word "semiantireprophetical" in the wild.  From "The Great Hug" by Donald Barthelme, in Folio, Jan, 1976.

Not only do we like the headline, but this article about an "E" quotes a "Mrs. X."  From The Martlet, 1963.  See One-Letter Words: A Dictionary.

"God made not anything at all so beautiful as words." —Anna Hempstead Branch. 

From Taylor's 1963 yearbook.

Learning perhaps ought to quit sleeping and snoring so as to grasp how to properly pluralize "library."  From National-Louis' 1969 yearbook.

"In the wilds of fiery climes he made himself a home, and his soul drank their sunbeams."  From Manual and Diagrams to Accompany Metcalf's Grammars, 1901.

"I wish something that rhymes with boat would strike me."  From Otterbein's 1911 yearbook.

We use measuring tape as a bookmark so that we're always ready for big words.  From The Film Daily, 1937.  See Webster's Dictionary of Improbable Words: All-Consonant and All-Vowel Words.

We, too, use three straws when we h-ss-c-c-s-l-r-r-p.  For more all-consonant words (essential for word gamers!) see Webster's Dictionary of Improbable Words: All-Consonant and All-Vowel Words.

From Colorado College's 1940 yearbook.

That "living on velvet" is now an antiquated expression leaves us "crushed."  From Film Daily, 1935.

It's "s'more" or "finis," depending on how you look at it.  From Swarthmore's 1895 yearbook.

"L is not a letter I care very much for," says Prof. Stokes in Dark Shadows.  See what you think of L's many meanings, in One-Letter Words: A Dictionary.

The Scarlet Letter is defined in One-Letter Words: A Dictionary.  From The Film Daily, 1926.

For spellworkers only: a sorceress we know from the fire ceremonies at the Goddess Temple in the Nevada desert, Abigail Spinner McBride, has premiered our Kabbalistic magic spell against the coronavirus.  The video clip is 3 minutes long, and the link to Youtube should begin at 32:16: video.

A “glompf” sort of day appears in “Epitaph For a Tombstone Day” by Loraine DiPietro, in Ethos, 1963.