- Monogrammist HR (early 16th c.) (blockcutter attr.), Sigismund I of Poland (Wietor)
- Monogrammist HR (early 16th c.) (blockcutter attr.), Sigismund I of Poland. In Broadside on King Sigismund I of Poland, Cracow: Hieronim Wietor (printer), 1526 (Basel, Historisches Museum) ◼
- Monogrammist HR (early 16th c.) (blockcutter attr.), Sigismund I of Poland. In Sigismvndvs eius nominis primus Casimiri regis filius..., Cracow: Hieronim Wietor (printer), 1532 (London, BM) ◼
- Monogrammist HR (early 16th c.) (blockcutter attr.), Sigismund I of Poland. In Broadside on King Sigismund I of Poland, Cracow: Hieronim Wietor (printer), 1532 (Munich, Staatliche Graphische Sammlung) ◼
- Monogrammist HR (early 16th c.) (blockcutter attr.), Sigismund I of Poland. In Iuris Provincialis, Qvod Specvlum Saxonum uulgo nuncupatur libri tres ..., Mikołaj Jaskier (translator), Cracow: Hieronim Wietor (printer), May 1535 (Cracow, BJ), fol. A1v ◼
- Monogrammist HR (early 16th c.) (blockcutter attr.), Sigismund I of Poland. In Sigismund I of Poland, Statvta Serenissimi domini Sigismundi primi Polonie Regis..., Cracow: Hieronim Wietor (printer), 1 April 1524 - 1 June 1541 (Lublin, KUL, BU KUL), fol. A4r ◼