In this case I just did a full-text search of HathiTrust's catalog for "and per se and" (quotes of course are part of the query in this case). These are two results of many.
U’s conversation ’s equal to his wine,
You sup with W, whene’er you dine:
X, Y, and Z, hating to be confin’d,
Ramble to the next Eating-house they find;...
And Per Se And alone, as Poets use...
See also an elaborate classroom game described in the Documents of the Board of Education of the City of New York (1861)[1]: "One [student] represents &—called ‘And per se and’—as being appended to the alphabet, but not belonging to it....The merriment of this pastime turns upon the endeavor of An’ per s’and to take precedence of Z, and so get fairly into the alphabet..."