External Similitude Center of the Apollonius Circle and Incircle = Apollonius Point.

External Similitude Center of the Apollonius Circle and Circumcircle of the Intouch Triangle = Apollonius Point.

External Similitude Center of the Apollonius Circle and Spieker Circle of the Anticomplementary Triangle = Apollonius Point.

External Similitude Center of the Apollonius Circle and Apollonius Circle of the Euler Triangle = Orthocenter.

External Similitude Center of the Apollonius Circle and Circumcircle of the Mid-Arc Triangle = Apollonius Point.

External Similitude Center of the Circumcircle and Incircle = External Center of Similitude of Circumcircle and Incircle.

External Similitude Center of the Circumcircle and Nine-Point Circle = Orthocenter.

External Similitude Center of the Circumcircle and Nine-Point Circle of the Medial Triangle = Centroid.

External Similitude Center of the Circumcircle and Circumcircle of the Orthic Triangle = Orthocenter.

External Similitude Center of the Circumcircle and Circumcircle of the Intouch Triangle = External Center of Similitude of Circumcircle and Incircle.

External Similitude Center of the Circumcircle and Circumcircle of the Anticomplementary Triangle = de Longchamps Point.

External Similitude Center of the Circumcircle and Spieker Circle of the Anticomplementary Triangle = External Center of Similitude of Circumcircle and Incircle.

External Similitude Center of the Circumcircle and Circumcircle of the Tangential Triangle = Exeter Point.

External Similitude Center of the Circumcircle and Circumcircle of the Euler Triangle = Orthocenter.

External Similitude Center of the Circumcircle and Nine-Point Circle of the Euler Triangle = Orthocenter.

External Similitude Center of the Circumcircle and Circumcircle of the Feuerbach Triangle = Orthocenter.

External Similitude Center of the Circumcircle and Circumcircle of the Mid-Arc Triangle = External Center of Similitude of Circumcircle and Incircle.

External Similitude Center of the Circumcircle and Circumcircle of the Yff Central Triangle = Dimovski Point.

External Similitude Center of the Circumcircle and Nine-Point Circle of the Yff Central Triangle = Congruent Isoscelizers Point.

External Similitude Center of the Incircle and Nine-Point Circle = Feuerbach Point.

External Similitude Center of the Incircle and Spieker Circle = Nagel Point.

External Similitude Center of the Incircle and Spieker Circle of the Medial Triangle = Centroid.

External Similitude Center of the Incircle and Nine-Point Circle of the Excentral Triangle = External Center of Similitude of Circumcircle and Incircle.

External Similitude Center of the Incircle and Nine-Point Circle of the Anticomplementary Triangle = External Center of Similitude of Circumcircle and Incircle.

External Similitude Center of the Incircle and Radical Circle of the Excircles of the Anticomplementary Triangle = Incenter.

External Similitude Center of the Incircle and Incircle of the Euler Triangle = Orthocenter.

External Similitude Center of the Nine-Point Circle and Nine-Point Circle of the Medial Triangle = Circumcenter.

External Similitude Center of the Nine-Point Circle and Nine-Point Circle of the Excentral Triangle = Orthocenter.

External Similitude Center of the Nine-Point Circle and Nine-Point Circle of the Anticomplementary Triangle = Orthocenter.

External Similitude Center of the Nine-Point Circle and Spieker Circle of the Anticomplementary Triangle = Feuerbach Point.

External Similitude Center of the Nine-Point Circle and Nine-Point Circle of the Euler Triangle = Orthocenter.

External Similitude Center of the Nine-Point Circle and Nine-Point Circle of the Fuhrmann Triangle = Nine-point Center.

External Similitude Center of the Radical Circle of the Excircles and Spieker Circle = Spieker Center.

External Similitude Center of the Radical Circle of the Excircles and Radical Circle of the Excircles of the Medial Triangle = Incenter.

External Similitude Center of the Radical Circle of the Excircles and Radical Circle of the Excircles of the Anticomplementary Triangle = Nagel Point.

External Similitude Center of the Radical Circle of the Excircles and Radical Circle of the Excircles of the Euler Triangle = Orthocenter.

External Similitude Center of the Bevan Circle and Circumcircle = Incenter.

External Similitude Center of the Bevan Circle and Nine-Point Circle of the Excentral Triangle = Incenter.

External Similitude Center of the Bevan Circle and Nine-Point Circle of the Anticomplementary Triangle = Incenter.

External Similitude Center of the Bevan Circle and Bevan Circle of the Euler Triangle = Orthocenter.

External Similitude Center of the Bevan Circle and Circumcircle of the Yff Central Triangle = Congruent Isoscelizers Point.

External Similitude Center of the Spieker Circle and Spieker Circle of the Medial Triangle = Incenter.

External Similitude Center of the Spieker Circle and Spieker Circle of the Anticomplementary Triangle = Nagel Point.

External Similitude Center of the Spieker Circle and Spieker Circle of the Euler Triangle = Orthocenter.

External Similitude Center of the Brocard Circle and Lemoine Circle = Center of the Brocard circle.

External Similitude Center of the Brocard Circle and Brocard Circle of the Euler Triangle = Orthocenter.

External Similitude Center of the Orthocentroidal Circle and Orthocentroidal Circle of the Euler Triangle = Orthocenter.

External Similitude Center of the Lemoine Circle and Lemoine Circle of the Euler Triangle = Orthocenter.