Written by the editor of the aforementioned book with additional links:

http://voluntaryist.com/index.html

http://voluntaryist.com/nonvoting/index.html

“The Superiority of Moral over Political Power” by Adin Ballou:

http://www.adinballou.org/moralpower.shtml

“Social Statics” by Herbert Spencer, Part 3 Chapter 19 “The Right to Ignore the State”:

http://www.panarchy.org/spencer/ignore.state.1851.html

Complete text of "Social Statics"

http://oll.libertyfund.org/index.php?option=com_staticxt&staticfile=show.php%3Ftitle=273&Itemid=99999999 

Many works of Lysander Spooner, “the Godfather of the principled Non-Voter”:

http://www.lysanderspooner.org/

See especially:

“No Treason” by Lysander Spooner, Section 2:

http://lysanderspooner.org/node/63

“Against Woman Suffrage” by Lysander Spooner:

http://www.ifeminists.net/introduction/editorials/2003/0930spooner.html

“Voluntary Socialism” by Francis Tandy, Chapter 13 “Methods”:

http://praxeology.net/FDT-VS-13.htm

“Out of Step” by Frank Chodorov, Chapter 4 “On Underwriting Evil”(pdf):

http://www.mises.org/books/outofstep.pdf

“Abstain from Beans” by Robert LeFevre

http://www.lewrockwell.com/orig7/lefevre2.html