Opinberunarbókin Efnislykill að ritum Votta Jehóva – 2019 6:4 Varðturninn (almenn útgáfa),Nr. 3 2017 bls. 5-6 Varðturninn,1.10.2005, bls. 191.11.1998, bls. 71.8.1993, bls. 4-51.2.1986, bls. 3-41.1.1986, bls. 6 Vaknið!,8.7.1988, bls. 3, 5-6, 7-9
6:4 Varðturninn (almenn útgáfa),Nr. 3 2017 bls. 5-6 Varðturninn,1.10.2005, bls. 191.11.1998, bls. 71.8.1993, bls. 4-51.2.1986, bls. 3-41.1.1986, bls. 6 Vaknið!,8.7.1988, bls. 3, 5-6, 7-9