Litterae encyclicae S.S.D.N.PII PP.IX. ad patriarchas, primates, archiepiscopos et episcopos universos die 8. Decembris 1864 datae cum syllabo complectente praecipuos nostrae aetatis errores
Subtitle: Juxta exemplar Romanum
Publisher: Sumptibus librariae Academicae Wagnerianae
Published: 1865
Place of publication: Oeniponti
Language: lat
Number of pages: 34
Notes: Has also German title page. Text in Latin and German on opposite pages.