What has the author Henry Gerrish written?

A. Bryson Gerrard has written:

'Spanish' -- subject(s): Conversation and phrase books, Glossaries, vocabularies, Spanish language, Spoken Spanish

'Cassell's Beyond the dictionary in Spanish' -- subject(s): Accessible book, Usage, Dictionaries, Spanish language

'Cassell's Colloquial Spanish' -- subject(s): Dictionaries, English, English language, Spanish, Spanish language, Usage