The manuscript once belonged to the polish high noble family Radziwiłł — like ℓ 34 — hence name of the codex.
Codex Sinaiticus | codex | Codex Vaticanus | Lorsch codex | Janusz Radziwiłł | Codex Bezae | Mikołaj Radziwiłł | Michał Kazimierz "Rybeńko" Radziwiłł | Janusz Radziwiłł (1612-1655) | Codex | Roda Codex | Radziwiłł | Mikołaj "the Black" Radziwiłł | Mikołaj Krzysztof "the Orphan" Radziwiłł | Michał Kazimierz Radziwiłł | Leningrad Codex | Hypatian Codex | Dominik Hieronim Radziwiłł | Codex Washingtonianus | Codex Vercellensis | Codex Tchacos | Codex Sangallensis 878 | Codex Calixtinus | Codex Borgia | Codex Beratinus | Codex Aureus of Lorsch | Codex Atlanticus | Codex Argenteus | Codex Amiatinus | Antoni Radziwiłł |