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Sources are where works are hosted: journals, conferences, preprint repositories, and institutional repositories.

Filter, sort, and group_by fields

The API supports filtering, sorting, and grouping on sources fields. See Filtering, Sorting, and Grouping for syntax. Fields marked (deprecated) are .search filters — use the search parameter instead.

Top-level

FieldSortGroup_byFilter
apc_usd
cited_by_count
continent
country_code
display_name
first_publication_year
from_created_date
has_issn
host_organization
host_organization_lineage
is_core
is_global_south
is_high_oa_rate
is_high_oa_rate_since_year
is_in_doaj
is_in_doaj_since_year
is_in_jstage
is_in_jstage_since_year
is_oa
is_ojs
issn
issn_l
last_publication_year
oa_flip_year
openalex
openalex_id
to_created_date
to_updated_date
type
works_count

Apc Prices

FieldSortGroup_byFilter
apc_prices.currency
apc_prices.price

Concept

FieldSortGroup_byFilter
concept.id

Concepts

FieldSortGroup_byFilter
concepts.id

Default

FieldSortGroup_byFilter
default.search (deprecated)

Display Name

FieldSortGroup_byFilter
display_name.search (deprecated)

Host Organization

FieldSortGroup_byFilter
host_organization.id

Ids

FieldSortGroup_byFilter
ids.mag
ids.openalex

Summary Stats

FieldSortGroup_byFilter
summary_stats.2yr_mean_citedness
summary_stats.h_index
summary_stats.i10_index

Topic Share

FieldSortGroup_byFilter
topic_share.id

Topics

FieldSortGroup_byFilter
topics.id

X Concepts

FieldSortGroup_byFilter
x_concepts.id