1915: Augusto Alfredo... www.executedtoday.com

Augusto Alfredo Roggen -... www.facebook.com

Augusto Alfredo Roggen... sv.findagrave.com

Augusto Alfredo Roggen -... www.facebook.com

Facing Death (Part 1) -... josefjakobs.info

Facing Death (Part 1) -... josefjakobs.info

four-german-spies-who-were-... www.alamy.com

Facing Death (Part 1) -... josefjakobs.info

Augusto Alfredo Roggen... sv.findagrave.com

Facing Death (Part 1) -... josefjakobs.info

Augusto Alfredo Roggen... sv.findagrave.com

Facing Death (Part 1) -... josefjakobs.info

Augusto Alfredo Roggen -... www.facebook.com

Facing Death (Part 1) -... josefjakobs.info

Spies | Executed Today www.executedtoday.com

Espionage | Executed Today... www.executedtoday.com

World war i spies hi-res... www.alamy.com

German spy first world war... www.alamy.com

German spy first world war... www.alamy.com

1915: Fernando Buschmann,... www.executedtoday.com