As Heard on The Daily Gardener Podcast:
This is a nice little resource on Linnaeus - published in 1983. You can get used copies on Amazon with the link above for under $7.
It includes the following lengthy essays: The two faces of Linnaeus, pp. 1–62; Linnaeus the botanist, pp. 63–109; Linnaeus as a geologist, pp. 110–155; Homo sapiens. Linnaeus’ classification of man, pp. 156–194.
SI HORTUM IN HORTORUM PODCASTUM IN BIBLIOTEHCA HABES, NIHIL DEERIT.