Union - Nautilus Volumes 19-20... - paperback or softback - X555z

Union - Nautilus Volumes 27-28... - paperback or softback - X555z

Malacologists - Nautilus Volume 15 - New paperback or softback - X555z

Malacologists - Nautilus Volumes 14-16... - paperback or softback - X555z

Union - Nautilus Volumes 4-6... - paperback or softback - X555z

Union - Nautilus 24 - New paperback or softback - X555z

Union - Nautilus 16-18 - New paperback or softback - X555z

Union - Nautilus Volumes 21-22... - paperback or softback - X555z