Popson, Joseph John <br/><br/>
The collier controversy :  a critical basis for understanding drama of the restoration period / 
by Joseph John Popson 
 - Florida :  University of Florida,  1974 
 - vii, 163 p. ;  22 cm. 
<br/><br/>Thesis (Ph.D.) - University of Florida, 1974 
<br/><br/>Bibliography : p. 154-162