1
by Comte, Auguste
Published 1849
L. Mathias

2
by Comte, Auguste
Published 1850
L. Mathias

3
by Valpey, Kenneth R.
Published 2020
Springer Nature

4
by Schruijer, Sandra
Published 2020
MDPI - Multidisciplinary Digital Publishing Institute

5
by Castañeda, Ernesto
Published 2021
MDPI - Multidisciplinary Digital Publishing Institute

6
by Bonotti, Matteo
Published 2021
Springer Nature

8
by Ryall, Emily
Published 2020
MDPI - Multidisciplinary Digital Publishing Institute

9
by Heßler, Martina
Published 2020
Nomos Verlagsgesellschaft mbH & Co. KG

10
by Hofer-Ranz, Gabriel
Published 2022
Nomos Verlagsgesellschaft mbH & Co. KG

12
by Bhat, Rajeev
Published 2022
MDPI - Multidisciplinary Digital Publishing Institute

14
by McCarroll, Pamela R.
Published 2023
MDPI - Multidisciplinary Digital Publishing Institute

15
by Kröll, Wolfgang
Published 2022
Nomos Verlagsgesellschaft mbH & Co. KG

16
by Romano, Gabriella 
Published 2019
Springer Nature

18
by Duncker, Simon
Published 2023
Nomos Verlagsgesellschaft mbH & Co. KG

20
by Macnish, Kevin
Published 2023
Oxford University Press