Lihat Juga

• Notes on the Plane Unicursal Quartic
  oleh: Roberts, R. A.
  Terbitan: (1884)
• Note on the Coordinates of a Tangent Line to the Curve of Intersection of two Quadrics
  oleh: Roberts, W. R. W.
  Terbitan: (1880)
• On the Rectification of Certain Curves
  oleh: Roberts, R. A.
  Terbitan: (1886)
• On certain Quartic Curves of the Fourth Class and the Porism of the Inscribed and Circumscribed Polygon
  oleh: Roberts, R. A.
  Terbitan: (1891)
• On Cubic Curves as connected with certain Triangles in Perspective
  oleh: Roberts, S.
  Terbitan: (1896)