History of botany (1530-1860) by Julius von Sachs; authorised translation by Henry E. F. Garnsey, rev. by Isaac Bayley Balfour.

vol.A

The botany of Iceland, edited by L. Kolderup Rosenvinge and Eug. Warming.

v.1, pt. 2

The botany of Iceland, edited by L. Kolderup Rosenvinge and Eug. Warming.

v.1, pt.1

An introduction to structural botany.

pt.2

The botany of Iceland, edited by L. Kolderup Rosenvinge and Eug. Warming.

v.2 pt.1