6. Escritos sobre F.M.
F.M. Renato P. Bittencourt 
F.M. Für Darwin – 150 anos – https://archive.org/details/FuerDarwin150anos
F.M. Príncipe dos Observadores – e-book – http://issuu.com/martiusstaden/docs/catalogo_fritz_web?mode=window&viewMode=singlePage
F. M. NA CIÊNCIA BRASILEIRA, Fontes – http://www.4shared.com/document/8lS_2Lvq/Frtiz_Muller_Fontes_obra.html?
F.M por Léo Lápis – http://archive.org/details/LeoLapis
F. M. O PRIMEIRO TERMITÓLOGO, Fontes – http://www.archive.org/details/Cupins
F. M. FARMACÊUTICO, Fontes – http://www.archive.org/details/Farmcia?
F.M. CONTRIBUIÇÕES BOTÂNICAS I, Fontes – http://www.archive.org/details/FritzMullerBotnico
F.M. SUA ORIGINALIDADE, Ardigo –http://www.archive.org/details/Originalidade
F.M. SUA HISTÓRIA, em alemão, Westerkamp – http://www.archive.org/details/WesterkampAlemo
F.M. INTERAÇÕES INSETO/PLANTA, Westerkamp – http://www.archive.org/details/WesterkampPortugues
F.M. CUPINS, Grassi – http://www.archive.org/details/Cupins_622
F.M. CONTRIBUIÇÕES BOTÂNICAS, Fontes – http://www.archive.org/details/FritzMullerBotnico
F. M. DIVERSIDADE MARINHA, Yano –http://www.archive.org/details/BiodiversidadeMarinha_566
F.M. MIRMECOFILIA, Dirzo – http://www.archive.org/details/Mirmecofilia_576
F.M. ENTRE RELIGIÃO E CIÊNCIA, Junkes – http://www.archive.org/details/CinciaEReligio
F.M. BIG YEAR, Barracco –http://www.archive.org/details/ParceiroDeCharlesDarwin
F.M. MEU CARO SENHOR, revista FAPESP – http://archive.org/details/MeuCaroSenhor
F.M. Kosmos I – http://archive.org/details/Kosmos1
F.M. Kosmos II – http://archive.org/details/Kosmos2
F.M. Kosmos V – http://archive.org/details/Kosmos5
F.M. Kosmos VI – http://archive.org/details/Kosmos6
F.M. Kosmos VII – http://archive.org/details/Kosmos7
F.M. Kosmos VIII – http://archive.org/details/Kosmos8