"Great Trek." Encyclopædia Britannica. 2007. Encyclopædia Britannica Online. 4 May 2007 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)
"Great Trek." Encyclopædia Britannica. 2007. Encyclopædia Britannica Online. 4 May 2007 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)
stmarys.ca
"Great Trek." Encyclopædia Britannica. 2007. Encyclopædia Britannica Online. 4 May 2007 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)