This book is a preservation facsimile produced for
the University of Illinois, Urbana-Champaign.

It is made in compliance with copyright law
and produced on acid-free archival
60# book weight paper
which meets the requirements of
ANSI/NISO Z39.48-1992 (permanence of paper).

Preservation facsimile printing and binding
by
Northern Micrographics
Brookhaven Bindery
La Crosse, Wisconsin
2020