1. Athanasopoulos Vangelis, To poiitiko topio tou ellinikou 19ou kai 20ou ai. Tomos V' (Seferis, Themelis, Ritsos, Vrettakos, Elytis, Zevgoli - Glezou, Papaditsas), Athina 1995, Kastaniotis.

2. Kousoulas Loukas, «Ermineftika scholia sto poiima tou N. Vrettakou ‘‘Ta dekateesera paidia’’», I didaskalia tis synchronis poiisis sti Mesi Ekpaidefsi», ss. 22 – 34.

3. Malanos Timos, Deigmatologio, Athina 1962, Fexis.

4. Raftopoulos Dimitris, Krisimi logotechnia, Athina 1986, Kastaniotis.

5. Fragkopoulos D. Th., Kritiki tis kritikis. Dokimia Athina, 1978, Diogenis.

6. Meraklis M. G., «I kathari anthropia tou Nikiforou Vrettakou», sto Nikiforos vrettakos. Afieroma, Vivliothiki tis Panellinias enosis filologon, Athina ch.ch.