Analyzing the Spanish strip cipher by combining combinatorial and statistical methods. - Luis Alberto Benthin Sanguino; Gregor Leander; Christof Paar; Bernhard Esslinger; Ingo Niebel (Cryptologia, 2016)

Deciphering ADFGVX messages from the Eastern Front of World War I. - George Lasry; Ingo Niebel; Nils Kopal; Arno Wacker (Cryptologia, 2017)

Learning Cryptanalysis the Hard Way: A Study on German Culture of Cryptology in World War I. - Ingo Niebel (HistoCrypt, 2018)

Deciphering German diplomatic and naval attaché messages from 1900-1915. - George Lasry; Ingo Niebel; Torbjörn Andersson (Cryptologia, 2021)