Source for literature yields
What databases do you have access to? A Scifinder search would find literature references with no difficulty.
A Google search finds this technical report which has the synthesis of tetraphenylporphyrin and the preparation of Fe(II) and Zn(II) complexes report here.
The Cu(II) complex is prepared in this lab report here. The references in these reports should help further.
The references in this JACS paper here should lead you to other preps