Trajan and Goudy Trajan are commercial fonts and you need to pay to use them.
Optimus Princeps is free for personal use (I'm not sure about commercial use, better ask the designer...)
Editado el 22/06/2013 a las 17:06 por fmontpetit
It's for personal use.
Thank you, but Optimus Princeps is not the same than Goudy Trajan... :(
Does it exist a copy of it (Goudy Trajan) free?
Like I said before, Goudy Trajan is a commercial font, so if a free version of it exists, using it would be illegal (even for personal use).
I believe Optimus is as close as you will get.
Well I'll be damned! Look what I found :
http://www.fontsquirrel.com/fonts/Goudy-Trajan (I edited my previous link to this one...)
Editado el 22/06/2013 a las 17:23 por fmontpetit
rocamaco ha dicho 
Why?...
You mean 'Why not Trajan'? or 'why is Goudy Trajan free'?
I meant the second one, but it's not free indeed, wrong change...

Ah! I didn't click the link... But, there's is still a free trial version that 'does not include small caps, discretionary ligatures, swash alternates, Cyrillic, Greek, or fleurons.'
Ohhh thank you! It's perfect!

Huso horario CEST. Ahora son las 19:22