空虚 (Chinese Wikipedia)

SPIRITUAL LIFE AND THE SURVIVAL OF CHRISTIANITY:REFLECTIONS AT THE END OF THE MILLENNIUM by Louis Dupré http://www.crosscurrents.org/dupre.htm （页面存档备份，存于互联网档案馆）.

ew.com

Lisa Schwarzbaum. The New Age Review . EW.com. 1994-09-30 [2012-06-23]. （原始内容存档于2014-09-03）.

foreignaffairs.org

We Didn't Start the Fire: Capitalism and Its Critics, Then and Now. By Sheri Berman, in Foreign Affairs. http://www.foreignaffairs.org/20030701fareviewessay15413/sheri-berman/we-didn-t-start-the-fire-capitalism-and-its-critics-then-and-now.html 互联网档案馆的存檔，存档日期2008-08-29.

georgiasouthern.edu

personal.georgiasouthern.edu

Existentialism. Personal.georgiasouthern.edu. [2012-06-23]. （原始内容存档于2012-02-16）.

lamayeshe.com

Interview on Emptiness by Lama Zopa Rinpoche. Available at: http://www.lamayeshe.com/lamazopa/interview.shtml （页面存档备份，存于互联网档案馆）
A Survey of the Paths of Tibetan Buddhism with His Holiness the Dalai Lama. Available at: http://www.lamayeshe.com/otherteachers/hhdl/survey.shtml （页面存档备份，存于互联网档案馆）

mindnc.com

Existentialism A Brief Overview (PDF). Mind NC. 2012-02-16. （原始内容 (PDF)存档于2011-10-05）.

mrjeffrey.com

A Primer of Existentialism. iClass Zone. [2020-04-12]. （原始内容存档于2019-12-25）.

petnet.com.au

Petnet - Responsible Ownership in Australia - And then there were two!. [2007-01-18]. （原始内容存档于2007-09-28）.

rsarchive.org

wn.rsarchive.org

Lecture: Spiritual Emptiness and Social Life. Fremont, Michigan: Wn.rsarchive.org. 1919-04-13 [2012-06-23].

taopage.org

Taoism - Wu - Emptiness. Taopage.org. [2012-06-23]. （原始内容存档于2021-04-22）.

web.archive.org

emptiness (mysticism) - Britannica Online Encyclopedia. Britannica.com. [2012-06-23]. （原始内容存档于2015-02-09）.
Existentialism A Brief Overview (PDF). Mind NC. 2012-02-16. （原始内容 (PDF)存档于2011-10-05）.
We Didn't Start the Fire: Capitalism and Its Critics, Then and Now. By Sheri Berman, in Foreign Affairs. http://www.foreignaffairs.org/20030701fareviewessay15413/sheri-berman/we-didn-t-start-the-fire-capitalism-and-its-critics-then-and-now.html 互联网档案馆的存檔，存档日期2008-08-29.
Existentialism. Personal.georgiasouthern.edu. [2012-06-23]. （原始内容存档于2012-02-16）.
A Primer of Existentialism. iClass Zone. [2020-04-12]. （原始内容存档于2019-12-25）.
Petnet - Responsible Ownership in Australia - And then there were two!. [2007-01-18]. （原始内容存档于2007-09-28）.
Mar. 27, 1997-Vol28n25: Research provides further evidence that pets, music effective at reducing stress. [2007-01-18]. （原始内容存档于2007-10-30）.
SPIRITUAL LIFE AND THE SURVIVAL OF CHRISTIANITY:REFLECTIONS AT THE END OF THE MILLENNIUM by Louis Dupré http://www.crosscurrents.org/dupre.htm （页面存档备份，存于互联网档案馆）.
Cornell News: "Lost Boys" about teen violence. News.cornell.edu. 1999-04-23 [2012-06-23]. （原始内容存档于2012-06-17）.
Lisa Schwarzbaum. The New Age Review . EW.com. 1994-09-30 [2012-06-23]. （原始内容存档于2014-09-03）.
ArtLex's Ho-Hz page. Artlex.com. [2012-06-23]. （原始内容存档于2012-04-29）.
Art: A Brief History of Absence (From the Conception and Birth, Life and Death, to the Living Deadness of Art) (PDF). Davor Džalto. [2015-11-03]. （原始内容存档 (PDF)于2020-09-22）.
Interview on Emptiness by Lama Zopa Rinpoche. Available at: http://www.lamayeshe.com/lamazopa/interview.shtml （页面存档备份，存于互联网档案馆）
A Survey of the Paths of Tibetan Buddhism with His Holiness the Dalai Lama. Available at: http://www.lamayeshe.com/otherteachers/hhdl/survey.shtml （页面存档备份，存于互联网档案馆）
Taoism - Wu - Emptiness. Taopage.org. [2012-06-23]. （原始内容存档于2021-04-22）.