The theme of this graduate thesis is the late stage of Jure Kaštelan’s poetry. The aim of this paper is to explore the features of Kaštelan’s literary expression in late stage poems. The method used was an analysis of his poetic texts, a reading of literature related to his literary work and a comparison of literary criticisms and results obtained by the analysis. In the introductory part is a depiction of Jure Kaštelan’s life, bibliographic data following his biography. Kaštelan’s literary work and opus are shown in the following part. In the third part there is a list of his poem collections together with their significance and context to the period they originate from. Afterwards, Jure Kaštelan’s poetry characteristics ensued: the thematic orientations of the last stage collections in relation to the collections of the previous phase. The motives and symbols of late stage poems are shown. In the third part of the third chapter, the influence of Croatian poets on the literary expression of Kaštelan's poetry is presented. The interpretation of selected parts of the collection of the last stage from the collection of the compiled poems of Jure Kaštelan The winged horseman ensued in the fourth part of the paper. The last part of the paper is occupied by the stylistic dominants in the poetry of Jure Kaštelan. In the stylistic dominants of Kaštelan's expression are figures of speech, enjambment has its own chapter since it is a figure that always appears in his poems. The last chapter of the work is the rhyme in the poems by Jure Kaštelan. The paper concludes with a conclusion that has been derived after all the research.