The north aisle was added in 1911, and the baptistery and south porch in 1925-26.
From the en.wikipedia.org
A miniature church, likely a baptistery, adjoined the cathedral from the south.
From the en.wikipedia.org
Around 1255 he received a commission for the pulpit in the baptistery of Pisa.
From the en.wikipedia.org
One important physical link to Ephrem's lifetime is the baptistery of Nisibis.
From the en.wikipedia.org
Now only the ruins of the baptistery and the octagonal baptismal font remain.
From the en.wikipedia.org
To the latter date also belongs a large baptistery decorated with mosaics at Naples.
From the en.wikipedia.org
The baptistery was demolished to build the old cathedral in the 9th century.
From the en.wikipedia.org
It is probable that this form came about to accommodate a baptistery at the west end.
From the en.wikipedia.org
Many of the early archbishops of Canterbury were buried in the baptistery at Canterbury.
From the en.wikipedia.org
More examples
Baptismal font: bowl for baptismal water
In Christian architecture the baptistery or baptistry (Latin baptisterium, from Greek) is the separate centrally-planned structure surrounding the baptismal font. The baptistery may be incorporated within the body of a church or cathedral and be provided with an altar as a chapel. ...
The Florence Baptistery or Battistero di San Giovanni (Baptistery of St. John) is a religious building in Florence (Tuscany), Italy, which has the status of a minor basilica.
A separate room or building of a church containing the font.
The separate building in which the Sacrament of
A building or part of a church, often round or octagonal, in which the sacrament of baptism is performed.
The area in which baptisms are performed.
Located adjacent to the Main Altar, the Bapistery features a marble baptismal font as well as dozens of wall and ceiling paintings of with religious symbols and peoples.