The first poem, published in the Boston Courier in 1847, deals primarily with the Mexican war, while the second deals with the Civil War.  
They include "What Mr. Robinson Thinks," "The Candidate's letter," and "The Courtin."  Shifting between verses written in dialect and prose, they feature such figures as the Reverend Homer Wilbur and the scoundrel Birdofreedom Swain, whose view on slavery is the dominant subject of the second series.  The first poem, published in the Boston Courier in 1847, deals primarily with the Mexican war, while the second deals with the Civil War.  FTP, identify this work finally finished in 1867 and named for the character Hosea, a series of poetical sketches by James Russell Lowell.
They include "What Mr. Robinson Thinks," "The Candidate's letter," and "The Courtin."  
The Biglow Papers