From the sheet music at Indiana University:


"Songs & Glees of the Baker Family of New Hampshire"
THE BARBER'S SHOP
Words and music by John C. Baker
Boston: Keith's Publishing House, ©1845.

1. Our notions rightly kettled up,
No one a doubt can harbour
That all the world's a barber's shop
And ev'ry man a barber,
And ev'ry man a barber,
And ev'ry man a barber,
Ho! Ho! Ho! Ho!
And ev'ry man a barber.

2. The farmer, he's a barber's friend,
And ready in a trice, sir,
To lather with a recommend,
And shave us with a price, sir,
And shave us with a price, sir,
And shave us with a price, sir,
Ho! Ho! Ho! Ho!
And shave us with a price, sir.

3. Mechanics, they are barbers all,
Nor lackeys at their play, sir,
They lather when for work we call,
And shave us for the pay, sir. [etc.]

4. The doctor, he's a barber too,
And lathers with a pill, sir,
And many applicants or few,
He shaves us with a bill, sir. [etc.]

5. The merchant, he's a barber, too,
Then who than he surpasses?
He lathers well fine calico,
And shaves the pretty lasses. [etc.]

6. But of all the suds-bedaubing host,
With razors whet the keenest,
The lawyers lather folks the most,
And shave mankind the cleanest. [etc.]