This is Episode 1 of Nekrodamus (note the different spelling). The series was created in 1975 and ran in Dossier Negro (Giesa/Gyesa) 151-161, 165-170 in 1982. It was also published in Skorpio (Argentina, 1975); Albin Michel (France), IPC publications (UK) Bastei (Germany) Nekrodamus was continued with other writers, including Ray Collins and Gustavo Slavich. Other printings of this story include: Dossier Negro (IMDE, 1968 series) #151 (February 1982); Nekrodamus (Record, 1993 series) #nn (1993); I giganti dell'avventura (Eura Editoriale, 1996 series) #3 (Aprile 1997) [as as Nekradamus]
This is Episode 2 of Nekrodamus. Other printings of this story include: Dossier Negro (IMDE, 1968 series) #152 (March 1982); Nekrodamus (Record, 1993 series) #nn (1993); I giganti dell'avventura (Eura Editoriale, 1996 series) #3 (Aprile 1997)
This is Episode 3 of Nekrodamus. Other printings of this story include: Dossier Negro (IMDE, 1968 series) #153 (April 1982); Nekrodamus (Record, 1993 series) #nn (1993); I giganti dell'avventura (Eura Editoriale, 1996 series) #3 (Aprile 1997)
Herrero also did work as "Mari Pili H.B." Other printings of this story include: Pánico (Vilmar, 1972 series) #19 (November 1973)
This is Episode 4 of Nekrodamus. Other printings of this story include: Dossier Negro (IMDE, 1968 series) #154 (May 1982); Nekrodamus (Record, 1993 series) #nn (1993); I giganti dell'avventura (Eura Editoriale, 1996 series) #3 (Aprile 1997)
This is Episode 6 of Nekrodamus. Other printings of this story include: Dossier Negro (IMDE, 1968 series) #156 (July 1982); Nekrodamus (Record, 1993 series) #nn (1993); I giganti dell'avventura (Eura Editoriale, 1996 series) #3 (Aprile 1997)