Otto, W. “Die SAW En Bewaring / The SADF and Conservation: PROKLAMERING VAN GREEFSWALD 37 MS ZOUTPANSBERG TOT ’N NASIONALE GEDENKWAARDIGHEID”. Scientia Militaria - South African Journal of Military Studies, Vol. 13, no. 3, Feb. 2012, doi:10.5787/13-3-551.