"Great Trek." Encyclopædia Britannica. 2007. Encyclopædia Britannica Online. 4 May 2007 <http://www.britannica.com/eb/article-9037889>. Wallace G. Mills: The Great Trek Saint Mary's University. Viitattu 5.4. 2007. (englanniksi): "Another estimate is that over 15,000 people in total left in that period; however, this includes non-whites who made up at least half of the total. Thus, a total 7-8,000 Afrikaners is probably about right." The Great Trek Online Travel Guides.. Viitattu 5.4. 2007. (englanniksi)
southafrica-travel.net
"Great Trek." Encyclopædia Britannica. 2007. Encyclopædia Britannica Online. 4 May 2007 <http://www.britannica.com/eb/article-9037889>. Wallace G. Mills: The Great Trek Saint Mary's University. Viitattu 5.4. 2007. (englanniksi): "Another estimate is that over 15,000 people in total left in that period; however, this includes non-whites who made up at least half of the total. Thus, a total 7-8,000 Afrikaners is probably about right." The Great Trek Online Travel Guides.. Viitattu 5.4. 2007. (englanniksi)
The Great Trek Online Travel Guides.. Viitattu 5.4. 2007. (englanniksi)
The Anglo-Boer War Southern Domain Online Travel Guides.. Viitattu 9.2.2010. (englanniksi)
stmarys.ca
"Great Trek." Encyclopædia Britannica. 2007. Encyclopædia Britannica Online. 4 May 2007 <http://www.britannica.com/eb/article-9037889>. Wallace G. Mills: The Great Trek Saint Mary's University. Viitattu 5.4. 2007. (englanniksi): "Another estimate is that over 15,000 people in total left in that period; however, this includes non-whites who made up at least half of the total. Thus, a total 7-8,000 Afrikaners is probably about right." The Great Trek Online Travel Guides.. Viitattu 5.4. 2007. (englanniksi)
Wallace G. Mills: The Great Trek Saint Mary's University. Viitattu 5.4. 2007. (englanniksi)