The Penrose Annual, Volume 41, 1939

P. A. Series

P. A. Series

Beginning

P. A. Series

P. A. Series

Pt. 17a

P. A. Series

P. A. Series

Pt. 11

P. A. Series

P. A. Series

Pt. 12b

P. A. Series

P. A. Series

Pt. 13

P. A. Series

P. A. Series

Pt. 15

P. A. Series

P. A. Series

Pt. 16

 Pt. 17b

Pt. 17b

P. A. Series

P. A. Series

Pt. 22

P. A. Series

P. A. Series

Pt. 23

P. A. Series

P. A. Series

Pt. 25b

P. A. Series

P. A. Series

Ending