r72	centroid, incenter, Nagel point, De Longchamps point
r406	circumcircle, incenter, excentral triangle
r723	cevian quotient, incenter, Mittenpunkt
r724	incenter, circumcenter, Bevan point, harmonic points
r725	centroid, orthocenter, De Longchamps point, Bevan point
r1029	circumcircle, excircles, perspective, incenter, Clawson point, isogonal points
r1056	perspective, isogonal points, excenters
r1058	excenters
r1551	incenter, circumcenter, circumcevian triangle, Euler line
r1594	incenter, point X(57), point X(55)