Thomas Francois Burgers, MS Appelgryn, 1979, p. 150
:Address to Volksraad in 1882, concerning the eastern ZAR goldrush, the associated uitlander element and First Boer War.
Petrus Jacobus Joubert Zitate und Sprüche
Petrus Jacobus Joubert: Zitate auf Englisch
“Why were the people not shot dead when they arrived at the first laager?”
The Last Boer War, H. Rider Haggard, p. 237
Vicinity of Lang’s Nek, February 1881. From a statement made in Newcastle by the hottentot driver, Allan Smith, who quoted a certain Viljoen, who would have quoted Joubert. Haggard and Fitzpatrick used his statement to implicate Joubert in the murder of Dr. Barber and wounding of Mr. Walter Dyas, who arrived without prior arrangement in a boer camp during the First Boer War.
Thomas Francois Burgers, MS Appelgryn, 1979, p. 62
:In 1874, in reply to a controversy which arose due to remaining influence of the state church (Hervormde Kerk) in ZAR schools, which for the first time were not state controlled
The Diary of a Siege, 1900, H.W. Nevinson.
In conversation with Henry Nevinson, October 2, 1899, at the outbreak of war. According to Nevinson, Joubert spoke English with a "piquant lack of grammar and misuse of words".