DNDBeyond.com was used to look through The Player's Handbook, The Dungeons Master's Guide, Eberron: Rising from the Last War, Mythic Odysseys of Theros, and Sword Coast Adventurer's Guide's various pantheons as well as to look at descriptions of Cleric domains and Paladin Oaths.
The Forgotten Realms Wiki (https://forgottenrealms.fandom.com/), the Greyhawk Wiki (https://greyhawkonline.com/greyhawkwiki/), and the Dragonlance Wiki (https://dragonlance.fandom.com/wiki/) were used as references for creating descriptions for the lists of gods.
Disclaimer: There is a paywall for D&D Beyond's electronic resources. Going to D&D Beyond will not guarantee access to the same resources listed here if you have not bought the electronic versions of the books on the site.
References
Alignment. (n.d.). D&D Lore Wiki. Retrieved December 22, 2020 from https://dungeonsdragons.fandom.com/wiki/Alignment
Baker, K., Crawford, J., & Petrisor, B. (2018). Wayfinder's Guide to Eberron (K. Conklin, W. Hindmarch, & R. Rutenberg, Eds.). Wizards of the Coast, LLC. https://www.dndbeyond.com/sources/wgte
Crawford, J., Dillon, D., Petrisor, B., Schneider, F. W., Teague, E., Benham, B., Lee, A., Levitch, A., Perkins, C., Rehman, T., Welch, K., & Winninger, R. (2020). Tasha's Cauldron of Everything (M. Carter, C. Perkins, J. Ross, F. W. Schneider, & J. Wyatt, Eds.). Wizards of the Coast, LLC. https://www.dndbeyond.com/sources/tcoe
Crawford, J. & Mearls, M. (2017). Xanathar’s Guide to Everything (J. Crawford, K. Mohan, M. Carter, & S. Fitzgerald Gray, Eds.). Wizards of the Coast, LLC. https://www.dndbeyond.com/sources/xgte
Crawford, J., Wyatt, J., Baker, K., Petrisor, B., Benham, B., Dillow, D., Introcaso, J., & Lee, A. (2019). Eberron: Rising from the last war (C. Perkins, F. W. Schneider, M. Carter, K. Mohan, & S. Fitzgerald Gray, Eds.). Wizards of the Coast, LLC. https://www.dndbeyond.com/sources/erftlw
D&D Beyond Staff (n.d.). Cleric. Retrieved on December 22, 2020 from https://www.dndbeyond.com/classes/cleric
D&D Beyond Staff (n.d.) Paladin. Retrieved on December 22, 2020 from https://www.dndbeyond.com/classes/paladin
Morris, T. (2018, October 31). [Alignment chart indicating a person’s alignment based on how they store bread]. Retrieved on December 22, 2020 from https://www.kapwing.com/resources/how-to-create-your-own-alignment-chart-meme/
Mearls, M. & Crawford, J. (2014). Player’s Handbook (5th ed.) (M. Carter, C. Sims, S. Fitzgerald Gray, & C. Perkins, Eds.). Wizards of the Coast, LLC. https://www.dndbeyond.com/sources/phb
Mearls, M. & Crawford, J. (2014). Dungeon Master’s Guide (5th ed.) (S. Fitzgerald Gray, M. Carter, C. Sims, & J. Clarke Wilkes, Eds.). Wizards of the Coast, LLC. https://www.dndbeyond.com/sources/dmg
Kenson, S., Mearls, M., & Crawford, J. (2015). Sword Coast Adventurer's Guide (J. Crawford & K. Mohan, Eds.). Wizards of the Coast, LLC. https://www.dndbeyond.com/sources/scag
Wesley Schneider, F., Wyatt, J., Levitch, A., Crawford, J., Baker, K., Benham, B., Black, O. D., Compton, J., Digges, K., Introcaso, J., Lee, A., Petrisor, B., Price, J., Robbins, M., Scott, A., & Vaughn, G. A. (2020). Mythic Odysseys of Theros (M. Bourne, K. Mohan, H. Rose, & J. Ross, Eds.). Wizards of the Coast, LLC. https://www.dndbeyond.com/sources/moot
Wyatt, J., Crawford, J., Levitch, A., Petrisor, B., Mearls, M., Schwalb, R. J., & Tulach, C. (2018). Guildmaster's Guide to Ravnica (J. Crawford, C. Perkins, K. Mohan, M. Carter, P. Athans, & K. Welch, Eds.). Wizards of the Coast, LLC. https://www.dndbeyond.com/sources/ggtr