i. 19 September 1849 - Geneva - Damaged books. Boissier, Welwitzch, Duval. (French).
ii. 2 January 1851 - Geneva - Publications. (Note by W.P.). (French).
iii. 9 April 1851 - Geneva - Publications. Morris (Brown?), A.Gray. (French).
iv. 28 September 1856 - Geneva - Publications. Prodromus xiv pt. 1 to appear early October. (French).
v. 26 September 1857 - Geneva - Publications. (French).
vi. 7 December 1857 - Geneva - Flora graecae. (French).
vii. 21 December 21 1857 - Geneva - Plants for Mr. Harvey. packets for Lindley & Hooker. (French).
viii. 3 February 1858 - Geneva - Plants from Hooker. Packet from Lindley. Publications. (French).
ix. 10 February 1858 - Geneva - Packet from Meisner (sic). (French).
x. 30 March 1858 - Geneva - Plants from Hooker for Meisner (sic). Hooker's Tasmania. Harvey's collection of Algae. (French).
xi. 12 March 1859 - Geneva - Publications. Plants for Bentham. (French).
xii. 1 April 1859 - Paris - Plants for W.J.Hooker & Lindley. (French).
xiii. 28 October 1862 - Geneva - Publications. (French).
xiv. 4 December - Paris - Packet for Bentham. Publications. (French).
xv. 9 September 1863 - Geneva - Publications. (French).
xvi. n.d. - Geneva - Note to Lindley. (French).