AMUR (Adam Mickiewicz University Repository)

Baidu Scholar

BASE (Bielefeld Academic Search Engine)

CEJSH (The Central European Journal of Social Sciences and Humanities)

CNKI Scholar (China National Knowledge Infrastructure)

CNPIEC – cnpLINKer

CEON (Aggregator of the Center for Open Science)

Driver (Digital Repository Infrastructure Vision for European Research)

EBSCO Discovery Service

Google Scholar

J-Gate

KESLI-NDSL (Korean National Discovery for Science Leaders)

MyScienceWork

Naver Academic

Naviga (Softweco)

Primo Central (ExLibris)

ReadCube

OpenAire

Sciendo

ScientificCommons

Semantic Scholar

Summon (ProQuest)

TDOne (TDNet)

WanFang Data

WorldCat (OCLC)