Book: Pseudoviridae
Resources: Pseudoviridae
Websites:
Gypsy Database (GyDB) focusing on ortervirales and their evolutionary history: [http://gydb.org]
Repbase most commonly used database of repetitive DNA elements: [https://www.girinst.org/repbase]
RepetDB a knowledge database of transposon references: [http://urgi.versailles.inra.fr/repetdb]
RexDB a reference database of transposable element protein domains: [http://repeatexplorer.org]