r607	isogonal points, circumconic,inverse points
r608
r613	Brocard points, Steiner circumellipse
r614	Brocard points
r625	Tarry point, Steiner point, Brocard points, cevian triangle
r806	cevian triangle, complement
r858	circumcircle, circumconic, anticomplement
r872	anticomplement
r949	Parry reflection point, Lester circle
r988	circlecevian triangle, orthocenter
r1007	circumcircle, orthocenter
r1487	ninecenter, orthologic triangles, circumcenter
r1581
r1635	circumcevian triangle, perspective
r1764	medial triangle, antipedal triangle, circumcenter, Parry reflection point, perspective, homothetic triangles
r1990	orthocenter, circumcenter, circumcircle, point X(110), point X(265)