19.ii.60, 4.iii.60, 18.iii.60, 26.iii.60, 27.iii.60, 1.iv.60, 2.iv.60, 11.iv.60, 14.iv.60, 10.vii.60, 12.vii.60, 19.vii.60, 20.viii.60, 24.viii.60, 9.xii.60, 27.i.61, 12.ii.61, 17.iii.61, 4.v.61, 7.v.61, 18.v.61, 19.x.61, 20.x.61, 24.x.61, 3.xi.61.