This title is part of UC Press’s Voices Revived program, which commemorates University of California Press’s mission to seek out and cultivate the brightest minds and give them voice, reach, and impact. Drawing on a backlist dating to 1893, Voices Revived makes high-quality, peer-reviewed scholarship accessible once again using print-on-demand technology. This title was originally published in 1968.

• Series: Part of UC Press’s Voices Revived program.
• Mission: Reflects the press’s commitment to promoting scholarly voices and impactful research.
• Backlist: Utilizes a backlist dating back to 1893.
• Accessibility: Revives high-quality, peer-reviewed scholarship through print-on-demand technology.
• Original Publication: This title was originally published in 1968.
• Purpose: Aims to make significant academic works accessible again, enhancing their reach and relevance in contemporary discourse.