Arakelyan's Giuseppe Godono posting

copied from http://it.wikipedia.org/wiki/Giuseppe_Godono.  Arakelyan lists following performances of Godono at the Bellini in Napoli::

9 settembere  1902 Teatro Bellini Traviata

12 settembere  1902 Teatro Bellini Cavalleria rusticana

14 settembere  1902 Teatro Bellini Traviata

15 settembere  1902 Teatro Bellini Traviata

18 settembere  1902 Teatro Bellini Cavalleria rusticana

19 settembere  1902 Teatro Bellini Traviata

21 settembere  1902 Teatro Bellini Cavalleria rusticana

28 settembere  1902 Teatro Bellini Cavalleria rusticana

1 ottobre 1902 Teatro Bellini Cavalleria rusticana

How does he know that:

Does he own the book on the Bellini?  Very improbable

Did he find the information on the net?  Probably not.

Did he get help?  Probably from somebody in Italy as the chronology is in Italian (with a typo). It  could be Roberto Marcocci.