1. Cătălin Barbu, The centroid of triangle, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
2. Cătălin Barbu, Circumcenter of triangle, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
3. Cătălin Barbu, Incenter of the triangle, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
4. Cătălin Barbu, The orthocenter of triangle, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
5. Cătălin Barbu, Gergonne’s point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
6. Cătălin Barbu, Nagel’s point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
7. Cătălin Barbu, Nagel’s adjoints points, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
8. Cătălin Barbu, Longchamps’ point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
9. Cătălin Barbu, Spieker’s point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
10. Cătălin Barbu, Spieker’s adjoints points, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
11. Cătălin Barbu, Brocard’s points, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
12. Cătălin Barbu, Soddy’s points, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
13. Cătălin Barbu, Steiner’s point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
14. Cătălin Barbu, Tarry’s point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
15. Cătălin Barbu, Izodynamic points, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
16. Cătălin Barbu, Izogon point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
17. Cătălin Barbu, Izotomics points, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
18. Cătălin Barbu, Izologic points, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
19. Cătălin Barbu, Izocyclic points, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
20. Cătălin Barbu, Retrocenter of triangle, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
21. Cătălin Barbu, Anti – Steiner’s point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
22. Cătălin Barbu, Pivot point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
23. Cătălin Barbu, Bevan’s point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
24. Cătălin Barbu, Exeter’s point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
25. Cătălin Barbu, Gob’s point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
26. Cătălin Barbu, Gray’s point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
27. Cătălin Barbu, Hexyl’s point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
28. Cătălin Barbu, Prasolov point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
29. Cătălin Barbu, Kariya’s point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
30. Cătălin Barbu, Schiffler’s point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
31. Cătălin Barbu, Weill ‘s point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
32. Cătălin Barbu, Pelletier’s point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
33. Cătălin Barbu, Kenmotu’s point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
34. Cătălin Barbu, Feuerbach’s point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
35. Cătălin Barbu, Cosnita’s point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
36. Cătălin Barbu, Cevian point of rank (k,l,m), Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
37. Cătălin Barbu, Franke’s point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
38. Cătălin Barbu, Jarabek’s point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
39. Cătălin Barbu, Cyclocevian point, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
40. Cătălin Barbu, Euler’s line, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
41. Cătălin Barbu, Newton-Gauss’ line, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
42. Cătălin Barbu, Brocard’s line, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
43. Cătălin Barbu, Orthic line, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
44. Cătălin Barbu, Antiorthic line, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
45. Cătălin Barbu, Simson’s line, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
46. Cătălin Barbu, Lemoine’s line, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
47. Cătălin Barbu, Isotomic line, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
48. Cătălin Barbu, Steiner’s line, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
49. Cătălin Barbu, Isogonal lines, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
50. Cătălin Barbu, Exterior isogonals, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
51. Cătălin Barbu, Schwatt’s line, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
52. Cătălin Barbu, Orthopol of the line, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
53. Cătălin Barbu, Aubert’s line, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
54. Cătălin Barbu, The antibisector line, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
55. Cătălin Barbu, Symedians, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
56. Cătălin Barbu, House’s line, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
57. Cătălin Barbu, Exterior symedian, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
58. Cătălin Barbu, Euler’s circle, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
59. Cătălin Barbu, The excircles, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
60. Cătălin Barbu, Lemoine’s circles, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
61. Cătălin Barbu, Taylor’s circle, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
62. Cătălin Barbu, Tucker circle, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
63. Cătălin Barbu, Lucas’ circles, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
64. Cătălin Barbu, Apollonius’circles, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
65. Cătălin Barbu, Adjoints circles, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
66. Cătălin Barbu, Orthocentroidal circle, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
67. Cătălin Barbu, Neuberg’s circles, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
68. Cătălin Barbu, Van Lamoen’s circle, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
69. Cătălin Barbu, Conway’s circle, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
65. Cătălin Barbu, Brocard’s circle, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
66. Cătălin Barbu, Titeica’s circles Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
67. Cătălin Barbu, Lucas’circles, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
68. Cătălin Barbu, Fuhrmann circle, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
69. Cătălin Barbu, Lionnet’s circle, Points, lines and remarkable circles in a triangle, Ed. Cibernet, 2017, ISBN 978-973-0-23329-2.
70. Cătălin Barbu, TEOREME_FUNDAMENTALE DIN GEOMETRIA TRIUNGHIULUI, Ed. Unique, 2008, ISBN 978-973-88906-3-3.
71. Cătălin Barbu, Triangles remarkable in the Euclidean plane, Ed. Unique, 2008, ISBN 978-973-88906-3-3.